taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
039E9712FFD6FFC0FF65FBB3FA8DF8FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606330/files/figure.png	https://doi.org/10.5281/zenodo.16606330	FIGURE 1. Bispira beatrizae sp. nov. A) Trunk, ventro-lateral view, B) body, lateral view, C) thorax, lateral view, D) same, ventral view, E) same, dorsal view. Abbreviation: 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C–E) 3 mm, B) 4 mm. A–E: holotype ICML-EMU-14010.	FIGURE 1. Bispira beatrizae sp. nov. A) Trunk, ventro-lateral view, B) body, lateral view, C) thorax, lateral view, D) same, ventral view, E) same, dorsal view. Abbreviation: 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C–E) 3 mm, B) 4 mm. A–E: holotype ICML-EMU-14010.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFD6FFC0FF65FBB3FA8DF8FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606332/files/figure.png	https://doi.org/10.5281/zenodo.16606332	FIGURE 2. Bispira beatrizae sp. nov. A) Ventral shields of collar and thorax, B) posterior abdomen and pygidium, dorso-lateral view, C) ventral sacs, D, F) dorsal lip of right radiolar lobe, E) dorsal lip of left radiolar lobe, G) peristomium and dorsal lip, left radiolar lobe removed. Abbreviations: dl—dorsal lip, vs—ventral sacs, vsc—ventral shield of collar, 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C, G) 1 mm, B, D–F) 0.5 mm. Arrows in B points to the interramal, abdominal eyes. A–B: holotype, ICML-EMU-14010. C–G: ICML-EMU-14012.	FIGURE 2. Bispira beatrizae sp. nov. A) Ventral shields of collar and thorax, B) posterior abdomen and pygidium, dorso-lateral view, C) ventral sacs, D, F) dorsal lip of right radiolar lobe, E) dorsal lip of left radiolar lobe, G) peristomium and dorsal lip, left radiolar lobe removed. Abbreviations: dl—dorsal lip, vs—ventral sacs, vsc—ventral shield of collar, 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C, G) 1 mm, B, D–F) 0.5 mm. Arrows in B points to the interramal, abdominal eyes. A–B: holotype, ICML-EMU-14010. C–G: ICML-EMU-14012.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFD6FFC0FF65FBB3FA8DF8FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606334/files/figure.png	https://doi.org/10.5281/zenodo.16606334	FIGURE 3. Bispira beatrizae sp. nov. A) Branchial crown, B) radiolar tip (zone 1 from A), C–D) radiolar rachis from first third of radiolar length (zone 2 from A), E) thoracic transversal section at chaetiger 4, F–G) transversal section of radioles at base of right radiolar lobe (2 mm from the base), H) entire dorsal lip, I) zoom in zone 1 from H. Abbreviations: d—dorsum, bv—blood vessels, g—gut, v—ventrum. Scale bars:A) 3 mm, B–D) 0.15 mm, E, G) 1 mm, F) 2 mm, H) 0.2 mm, I) 0.2 mm.A–D: holotype ICML-EMU-14010; E–I: ICML-EMU-14012.	FIGURE 3. Bispira beatrizae sp. nov. A) Branchial crown, B) radiolar tip (zone 1 from A), C–D) radiolar rachis from first third of radiolar length (zone 2 from A), E) thoracic transversal section at chaetiger 4, F–G) transversal section of radioles at base of right radiolar lobe (2 mm from the base), H) entire dorsal lip, I) zoom in zone 1 from H. Abbreviations: d—dorsum, bv—blood vessels, g—gut, v—ventrum. Scale bars:A) 3 mm, B–D) 0.15 mm, E, G) 1 mm, F) 2 mm, H) 0.2 mm, I) 0.2 mm.A–D: holotype ICML-EMU-14010; E–I: ICML-EMU-14012.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFD6FFC0FF65FBB3FA8DF8FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606336/files/figure.png	https://doi.org/10.5281/zenodo.16606336	FIGURE 4. Bispira beatrizae sp. nov. A) Thoracic chaetiger, B–C) superior notochaetae elongate narrowly hooded, D–E) inferior spine-like notochaetae, F) companion chaeta, G) abdominal chaetae narrowly hooded, H) thoracic uncini, I) abdominal uncini, J) abdominal chaetiger. Scale bars: A, J) 100 µm, B–E, G) 15 µm, F) 20 µm, H–I) 2.5 µm. A–J: holotype ICML-EMU- 14010.	FIGURE 4. Bispira beatrizae sp. nov. A) Thoracic chaetiger, B–C) superior notochaetae elongate narrowly hooded, D–E) inferior spine-like notochaetae, F) companion chaeta, G) abdominal chaetae narrowly hooded, H) thoracic uncini, I) abdominal uncini, J) abdominal chaetiger. Scale bars: A, J) 100 µm, B–E, G) 15 µm, F) 20 µm, H–I) 2.5 µm. A–J: holotype ICML-EMU- 14010.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFD6FFC0FF65FBB3FA8DF8FE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFDCFFC5FF65FF1BFD91F9CE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606339/files/figure.png	https://doi.org/10.5281/zenodo.16606339	FIGURE 5. Bispira nunezi sp. nov. A) Thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) branchial crown and zoom of serrations, E) radiolar serrations at first basal quarter of radiole, F) radiolar serrations at mid-radiolar length, G) radiolar tip.Abbreviations: apr–anterior peristomial ring, vs–ventral sac, vsc–ventral shield of collar. Scale bars:A) 1 mm, B–C) 0.4 mm, D) 2 mm, E–G) 0.1 mm. A–D) Stained with methyl green.A–G: holotype ICML-EMU-14015. White arrow in B shows the undeveloped ventral radiole, arrows in D–G points to radiolar serrations.	FIGURE 5. Bispira nunezi sp. nov. A) Thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) branchial crown and zoom of serrations, E) radiolar serrations at first basal quarter of radiole, F) radiolar serrations at mid-radiolar length, G) radiolar tip.Abbreviations: apr–anterior peristomial ring, vs–ventral sac, vsc–ventral shield of collar. Scale bars:A) 1 mm, B–C) 0.4 mm, D) 2 mm, E–G) 0.1 mm. A–D) Stained with methyl green.A–G: holotype ICML-EMU-14015. White arrow in B shows the undeveloped ventral radiole, arrows in D–G points to radiolar serrations.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFDCFFC5FF65FF1BFD91F9CE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606341/files/figure.png	https://doi.org/10.5281/zenodo.16606341	FIGURE 6. Bispira nunezi sp. nov. A) Thoracic chaetiger, B) inferior broadly hooded chaetae, C) thoracic uncini and companion chaetae, D) chaetiger from posterior abdomen, E) abdominal elongate, narrowly hooded chaetae, F) thoracic uncinus, G) abdominal uncinus. Scale bars: A) 30 µm, B) 15 µm, C) 5 µm, D) 100 µm, E) 50 µm, F–G) 2.5 µm. A–G: holotype ICML- EMU-14015.	FIGURE 6. Bispira nunezi sp. nov. A) Thoracic chaetiger, B) inferior broadly hooded chaetae, C) thoracic uncini and companion chaetae, D) chaetiger from posterior abdomen, E) abdominal elongate, narrowly hooded chaetae, F) thoracic uncinus, G) abdominal uncinus. Scale bars: A) 30 µm, B) 15 µm, C) 5 µm, D) 100 µm, E) 50 µm, F–G) 2.5 µm. A–G: holotype ICML- EMU-14015.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFDCFFC5FF65FF1BFD91F9CE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC0FFD9FF65F92EFC4EFACE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606347/files/figure.png	https://doi.org/10.5281/zenodo.16606347	FIGURE 8. Chone cf. mollis. A) Body, ventral view, B) thorax and base of crown, dorsal side, C) same, ventral side, D–E) different views of the anterior peristomial ring lobe, crown removed, F–G) thoracic paleate chaetae, broken mucro in G, H) abdominal uncini, I) thoracic chaetiger, showing superior narrowly hooded chaetae and inferior bayonet chaetae, J) thoracic uncini. Arrows in C–E points to the anterior peristomial ring lobe. White arrows in I points to bayonnet chaetae. Scale bars: A) 4 mm, B–C) 1.2 mm, D) 0.8 mm, E) 1 mm, F–G) 15 µm, H) 25 µm, I) 100 µm, J) 50 µm. A–C, F–J: ICML-EMU-14018; D–E: ICML-EMU-14019. A–E) Stained with methyl green.	FIGURE 8. Chone cf. mollis. A) Body, ventral view, B) thorax and base of crown, dorsal side, C) same, ventral side, D–E) different views of the anterior peristomial ring lobe, crown removed, F–G) thoracic paleate chaetae, broken mucro in G, H) abdominal uncini, I) thoracic chaetiger, showing superior narrowly hooded chaetae and inferior bayonet chaetae, J) thoracic uncini. Arrows in C–E points to the anterior peristomial ring lobe. White arrows in I points to bayonnet chaetae. Scale bars: A) 4 mm, B–C) 1.2 mm, D) 0.8 mm, E) 1 mm, F–G) 15 µm, H) 25 µm, I) 100 µm, J) 50 µm. A–C, F–J: ICML-EMU-14018; D–E: ICML-EMU-14019. A–E) Stained with methyl green.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC2FFDEFF65FA2AFDFEF903.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606353/files/figure.png	https://doi.org/10.5281/zenodo.16606353	FIGURE 9. Chone tamai sp. nov. A) Body, lateral view, B–C) radiolar tips, D) collar and thoracic segments, dorsal view, E) thorax, lateral view, F) same, ventrolateral view, G) posterior end, lateral view.Abbreviations: gr2–glandular ridge on chaetiger 2, vsc–ventral shield of collar. Scale bars:A) 2.2 mm, B–C) 0.8 mm, D–G) 0.4 mm.A–G: holotype ICML-EMU-14020, stained with methyl green.	FIGURE 9. Chone tamai sp. nov. A) Body, lateral view, B–C) radiolar tips, D) collar and thoracic segments, dorsal view, E) thorax, lateral view, F) same, ventrolateral view, G) posterior end, lateral view.Abbreviations: gr2–glandular ridge on chaetiger 2, vsc–ventral shield of collar. Scale bars:A) 2.2 mm, B–C) 0.8 mm, D–G) 0.4 mm.A–G: holotype ICML-EMU-14020, stained with methyl green.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC2FFDEFF65FA2AFDFEF903.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606357/files/figure.png	https://doi.org/10.5281/zenodo.16606357	FIGURE 10. Chone tamai sp. nov. A) Thoracic paleate chaetae and bayonet chaetae, the latter indicate with arrow, B) thoracic uncini and details of dentition in inferior boxes, C) heads of thoracic uncini, D) thoracic elongate narrowly hooded chaeta, E) torus from anterior abdomen and detail of dentition in left box, F) torus from posterior abdomen with detail of dentition in right box, G) left base of branchial crown and associated structures, H) dorsal and ventral lips, A–D) Chaetiger 3, E) Chaetiger 12, F) Chaetiger 20. Abbreviations: d—dorsal, dl—dorsal lip, v—ventral, vl—ventral lip, vra—ventral radiolar appendage. Scale bars: A, D) µm, B) 50 µm, C) 40 µm, E–F) 25 µm, G–H) 0.5 mm. A–F: holotype ICML-EMU-14020, G–H: paratype ICML- EMU-14022D.	FIGURE 10. Chone tamai sp. nov. A) Thoracic paleate chaetae and bayonet chaetae, the latter indicate with arrow, B) thoracic uncini and details of dentition in inferior boxes, C) heads of thoracic uncini, D) thoracic elongate narrowly hooded chaeta, E) torus from anterior abdomen and detail of dentition in left box, F) torus from posterior abdomen with detail of dentition in right box, G) left base of branchial crown and associated structures, H) dorsal and ventral lips, A–D) Chaetiger 3, E) Chaetiger 12, F) Chaetiger 20. Abbreviations: d—dorsal, dl—dorsal lip, v—ventral, vl—ventral lip, vra—ventral radiolar appendage. Scale bars: A, D) µm, B) 50 µm, C) 40 µm, E–F) 25 µm, G–H) 0.5 mm. A–F: holotype ICML-EMU-14020, G–H: paratype ICML- EMU-14022D.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC2FFDEFF65FA2AFDFEF903.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC5FFD1FF65F94AFDF2FD00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606363/files/figure.png	https://doi.org/10.5281/zenodo.16606363	FIGURE 11. Claviramus villalobosi sp. nov. A) Body, lateral view, B–C) base of crown and anterior thoracic segments, dorsal and ventral view, respectively, D–E) posterior thorax and abdomen, ventrolateral and dorsolateral views, respectively, F) distal half of branchial crown. Scale bars: A) 2 mm, B–C) 0.7 mm, D–F) 1 mm. A–F: holotype ICML-EMU-14024, stained with methyl green.	FIGURE 11. Claviramus villalobosi sp. nov. A) Body, lateral view, B–C) base of crown and anterior thoracic segments, dorsal and ventral view, respectively, D–E) posterior thorax and abdomen, ventrolateral and dorsolateral views, respectively, F) distal half of branchial crown. Scale bars: A) 2 mm, B–C) 0.7 mm, D–F) 1 mm. A–F: holotype ICML-EMU-14024, stained with methyl green.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC5FFD1FF65F94AFDF2FD00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606369/files/figure.png	https://doi.org/10.5281/zenodo.16606369	FIGURE 12. Claviramus villalobosi sp. nov. A–B) Radiolar tips, C) thoracic chaetiger, D) paleate chaetae and elongate narrowly hooded chaeta, E) abdominal chaetiger, F) thoracic uncini, G–H) abdominal uncini. Scale bars: A–B) 0.5 mm, C, E) 100 µm, D, G–H) 10 µm, F) 20 µm. A–B: paratype, ICML-EMU-14026C. C–H: holotype ICML-EMU-14024.	FIGURE 12. Claviramus villalobosi sp. nov. A–B) Radiolar tips, C) thoracic chaetiger, D) paleate chaetae and elongate narrowly hooded chaeta, E) abdominal chaetiger, F) thoracic uncini, G–H) abdominal uncini. Scale bars: A–B) 0.5 mm, C, E) 100 µm, D, G–H) 10 µm, F) 20 µm. A–B: paratype, ICML-EMU-14026C. C–H: holotype ICML-EMU-14024.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC5FFD1FF65F94AFDF2FD00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606371/files/figure.png	https://doi.org/10.5281/zenodo.16606371	FIGURE 13. Claviramus villalobosi sp. nov. A, D) Ventral shield of collar and first thoracic chaetigers, B) dorsal and ventral lips, C) collar chaetiger with elongated, narrowly hooded chaetae. Scale bars: A, D) 0.7 mm, B) 0.5 mm, C) 50 μm. A–D: paratype, ICML-EMU-14025-A.	FIGURE 13. Claviramus villalobosi sp. nov. A, D) Ventral shield of collar and first thoracic chaetigers, B) dorsal and ventral lips, C) collar chaetiger with elongated, narrowly hooded chaetae. Scale bars: A, D) 0.7 mm, B) 0.5 mm, C) 50 μm. A–D: paratype, ICML-EMU-14025-A.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFC5FFD1FF65F94AFDF2FD00.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCAFFD7FF65FD4EFF27F9CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606373/files/figure.png	https://doi.org/10.5281/zenodo.16606373	FIGURE 14. Euchone cortezi Reish, 1968. A) Thorax, dorso-lateral view, B) same, ventro-lateral view, C) same, ventral view, D) pre-pygidial depression lateral view, E) same, ventro-lateral view, F) same, dorso-lateral view. G) thoracic chaetiger with narrowly and broadly hooded chaetae, H) thoracic uncini, I) uncini from anterior abdomen. Scale bars. A–B) 1.5 mm, C–F) 0.8 mm, G) 100 μm, H) 50 μm, I) 25 μm. A–F: ICML-EMU-14027.	FIGURE 14. Euchone cortezi Reish, 1968. A) Thorax, dorso-lateral view, B) same, ventro-lateral view, C) same, ventral view, D) pre-pygidial depression lateral view, E) same, ventro-lateral view, F) same, dorso-lateral view. G) thoracic chaetiger with narrowly and broadly hooded chaetae, H) thoracic uncini, I) uncini from anterior abdomen. Scale bars. A–B) 1.5 mm, C–F) 0.8 mm, G) 100 μm, H) 50 μm, I) 25 μm. A–F: ICML-EMU-14027.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCAFFD7FF65FD4EFF27F9CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606395/files/figure.png	https://doi.org/10.5281/zenodo.16606395	FIGURE 20. Jasmineira agustinae sp. nov. A) Dorso-lateral view of collar, B) ventral view of collar, C) mid-ventral collar margin and parallel lamellae, D) dorsal collar margin, E) ventral collar margin, F) right vascular coil, G) left vascular coil, same individual. Abbreviations: bp—breaking plane, gr2–glandular ridge on chaetiger 2, pl–parallel lamellae, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A–B, D–E) 1 mm, C) 0.5 mm, F–G) 0.3 mm.A–C: paratype ICML-EMU-14033C, D–G: paratype ICML-EMU-14034E.	FIGURE 20. Jasmineira agustinae sp. nov. A) Dorso-lateral view of collar, B) ventral view of collar, C) mid-ventral collar margin and parallel lamellae, D) dorsal collar margin, E) ventral collar margin, F) right vascular coil, G) left vascular coil, same individual. Abbreviations: bp—breaking plane, gr2–glandular ridge on chaetiger 2, pl–parallel lamellae, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A–B, D–E) 1 mm, C) 0.5 mm, F–G) 0.3 mm.A–C: paratype ICML-EMU-14033C, D–G: paratype ICML-EMU-14034E.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCAFFD7FF65FD4EFF27F9CA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606391/files/figure.png	https://doi.org/10.5281/zenodo.16606391	FIGURE 19. Jasmineira agustinae sp. nov. A) Entire worm, ventral view, B) base of crown, dorsal side, C) radiolar tip, D–E) crown and anterior thorax, left and right side, respectively, F) abdomen and pygidial cirrus. Abbreviation: vc–vascular coils. Scale bars: A) 5 mm, B, D–F) 1 mm, C) 0.25 mm. A, C, F: holotype ICML-EMU-14032, B: paratype ICML-EMU-14034E, D–E: paratype ICML-EMU-14033A.	FIGURE 19. Jasmineira agustinae sp. nov. A) Entire worm, ventral view, B) base of crown, dorsal side, C) radiolar tip, D–E) crown and anterior thorax, left and right side, respectively, F) abdomen and pygidial cirrus. Abbreviation: vc–vascular coils. Scale bars: A) 5 mm, B, D–F) 1 mm, C) 0.25 mm. A, C, F: holotype ICML-EMU-14032, B: paratype ICML-EMU-14034E, D–E: paratype ICML-EMU-14033A.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCCFFE9FF65F92EFD8EFD21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606377/files/figure.png	https://doi.org/10.5281/zenodo.16606377	FIGURE 15. Euchone mercedesae sp. nov. A) Thorax, dorsal side, B, F) same, dorso-lateral view, C) same, ventro-lateral view, D–E) same, ventral side. E–F) stained with methyl green. Abbreviations: gr2–glandular ridge on chaetiger 2, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A, D–E) 1.7 mm, B) 1 mm, C, F) 0.7 mm. A–F: holotype ICML-EMU-14028.	FIGURE 15. Euchone mercedesae sp. nov. A) Thorax, dorsal side, B, F) same, dorso-lateral view, C) same, ventro-lateral view, D–E) same, ventral side. E–F) stained with methyl green. Abbreviations: gr2–glandular ridge on chaetiger 2, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A, D–E) 1.7 mm, B) 1 mm, C, F) 0.7 mm. A–F: holotype ICML-EMU-14028.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCCFFE9FF65F92EFD8EFD21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606381/files/figure.png	https://doi.org/10.5281/zenodo.16606381	FIGURE 16. Euchone mercedesae sp. nov. A) Transition between thorax and abdomen, B) medium-abdomen, C–F) prepygidial depression, different views. E–F) Stained with methyl green. Scale bars: A–C, F) 1.5 mm, D–E) 1 mm. A–F: holotype ICML-EMU-14028.	FIGURE 16. Euchone mercedesae sp. nov. A) Transition between thorax and abdomen, B) medium-abdomen, C–F) prepygidial depression, different views. E–F) Stained with methyl green. Scale bars: A–C, F) 1.5 mm, D–E) 1 mm. A–F: holotype ICML-EMU-14028.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCCFFE9FF65F92EFD8EFD21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606383/files/figure.png	https://doi.org/10.5281/zenodo.16606383	FIGURE 17. Euchone mercedesae sp. nov. A) Thoracic chaetiger 4, B) inferior row of paleate chaetae, C–D) thoracic acicular uncini from chaetiger 4, E) uncini from mid-abdominal. Scale bars: A) 100 μm, B) 15 μm, C) 50 μm, D) 20 μm, E) 25 μm. A–E: holotype ICML-EMU-14028.	FIGURE 17. Euchone mercedesae sp. nov. A) Thoracic chaetiger 4, B) inferior row of paleate chaetae, C–D) thoracic acicular uncini from chaetiger 4, E) uncini from mid-abdominal. Scale bars: A) 100 μm, B) 15 μm, C) 50 μm, D) 20 μm, E) 25 μm. A–E: holotype ICML-EMU-14028.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFCCFFE9FF65F92EFD8EFD21.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF2FFEFFF65FD6BFD9FFE13.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606387/files/figure.png	https://doi.org/10.5281/zenodo.16606387	FIGURE 18. Fabrisabella vasculosa Hartman, 1969. A) Branchial crown and thorax, dorsal view, B) dorsal lip and ventral pinnular appendages from left radiolar lobe, C) first three thoracic chaetigers, ventral view, D) vascular coils, E) first three thoracic chaetigers, lateral view, right radiolar lobe removed.Abbreviations: dl—dorsal lip, gr2—glandular ridge on chaetiger 2, vsc—ventral shield of collar, vc—vascular coils, vpa—ventral pinnular appendages, 1, 2, 3—refer to the number of chaetigers. A–E) Stained with methyl green. Scale bars: A) 1 mm, B) 0.5 mm, C) 0.4 mm, D–E) 0.5 mm. A–E: ICML-EMU-14031.	FIGURE 18. Fabrisabella vasculosa Hartman, 1969. A) Branchial crown and thorax, dorsal view, B) dorsal lip and ventral pinnular appendages from left radiolar lobe, C) first three thoracic chaetigers, ventral view, D) vascular coils, E) first three thoracic chaetigers, lateral view, right radiolar lobe removed.Abbreviations: dl—dorsal lip, gr2—glandular ridge on chaetiger 2, vsc—ventral shield of collar, vc—vascular coils, vpa—ventral pinnular appendages, 1, 2, 3—refer to the number of chaetigers. A–E) Stained with methyl green. Scale bars: A) 1 mm, B) 0.5 mm, C) 0.4 mm, D–E) 0.5 mm. A–E: ICML-EMU-14031.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF4FFEEFF65FE3BFD34F8D6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606391/files/figure.png	https://doi.org/10.5281/zenodo.16606391	FIGURE 19. Jasmineira agustinae sp. nov. A) Entire worm, ventral view, B) base of crown, dorsal side, C) radiolar tip, D–E) crown and anterior thorax, left and right side, respectively, F) abdomen and pygidial cirrus. Abbreviation: vc–vascular coils. Scale bars: A) 5 mm, B, D–F) 1 mm, C) 0.25 mm. A, C, F: holotype ICML-EMU-14032, B: paratype ICML-EMU-14034E, D–E: paratype ICML-EMU-14033A.	FIGURE 19. Jasmineira agustinae sp. nov. A) Entire worm, ventral view, B) base of crown, dorsal side, C) radiolar tip, D–E) crown and anterior thorax, left and right side, respectively, F) abdomen and pygidial cirrus. Abbreviation: vc–vascular coils. Scale bars: A) 5 mm, B, D–F) 1 mm, C) 0.25 mm. A, C, F: holotype ICML-EMU-14032, B: paratype ICML-EMU-14034E, D–E: paratype ICML-EMU-14033A.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF4FFEEFF65FE3BFD34F8D6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606395/files/figure.png	https://doi.org/10.5281/zenodo.16606395	FIGURE 20. Jasmineira agustinae sp. nov. A) Dorso-lateral view of collar, B) ventral view of collar, C) mid-ventral collar margin and parallel lamellae, D) dorsal collar margin, E) ventral collar margin, F) right vascular coil, G) left vascular coil, same individual. Abbreviations: bp—breaking plane, gr2–glandular ridge on chaetiger 2, pl–parallel lamellae, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A–B, D–E) 1 mm, C) 0.5 mm, F–G) 0.3 mm.A–C: paratype ICML-EMU-14033C, D–G: paratype ICML-EMU-14034E.	FIGURE 20. Jasmineira agustinae sp. nov. A) Dorso-lateral view of collar, B) ventral view of collar, C) mid-ventral collar margin and parallel lamellae, D) dorsal collar margin, E) ventral collar margin, F) right vascular coil, G) left vascular coil, same individual. Abbreviations: bp—breaking plane, gr2–glandular ridge on chaetiger 2, pl–parallel lamellae, vc–vascular coils, vsc–ventral shield of collar. Scale bars: A–B, D–E) 1 mm, C) 0.5 mm, F–G) 0.3 mm.A–C: paratype ICML-EMU-14033C, D–G: paratype ICML-EMU-14034E.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF4FFEEFF65FE3BFD34F8D6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606401/files/figure.png	https://doi.org/10.5281/zenodo.16606401	FIGURE 21. Jasmineira agustinae sp. nov. A) Thoracic chaetiger 3, B) thoracic, elongate narrowly hooded chaeta, C) thoracic paleate chaeta and bayonet chaeta, D) paleate chaeta, E) “bayonet” chaeta, F) thoracic torus chaetiger 3, G) dentition of main fang of thoracic uncini, H, J) abdominal uncini from mid-abdomen, I) abdominal chaetiger with elongate narrowly hooded chaetae. Scale bars: A, F, I) 100 μm, B, E) 25 μm, C–D) 50 μm, G–H, J) 30 μm. A–J: holotype ICML-EMU-14032.	FIGURE 21. Jasmineira agustinae sp. nov. A) Thoracic chaetiger 3, B) thoracic, elongate narrowly hooded chaeta, C) thoracic paleate chaeta and bayonet chaeta, D) paleate chaeta, E) “bayonet” chaeta, F) thoracic torus chaetiger 3, G) dentition of main fang of thoracic uncini, H, J) abdominal uncini from mid-abdomen, I) abdominal chaetiger with elongate narrowly hooded chaetae. Scale bars: A, F, I) 100 μm, B, E) 25 μm, C–D) 50 μm, G–H, J) 30 μm. A–J: holotype ICML-EMU-14032.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF4FFEEFF65FE3BFD34F8D6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF4FFEEFF65FE3BFD34F8D6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606330/files/figure.png	https://doi.org/10.5281/zenodo.16606330	FIGURE 1. Bispira beatrizae sp. nov. A) Trunk, ventro-lateral view, B) body, lateral view, C) thorax, lateral view, D) same, ventral view, E) same, dorsal view. Abbreviation: 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C–E) 3 mm, B) 4 mm. A–E: holotype ICML-EMU-14010.	FIGURE 1. Bispira beatrizae sp. nov. A) Trunk, ventro-lateral view, B) body, lateral view, C) thorax, lateral view, D) same, ventral view, E) same, dorsal view. Abbreviation: 1, 2, 3—refers to the number of chaetiger. Scale bars: A, C–E) 3 mm, B) 4 mm. A–E: holotype ICML-EMU-14010.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF9FFE6FF65FF53FCCBFB5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606405/files/figure.png	https://doi.org/10.5281/zenodo.16606405	FIGURE 22. Myxicola bruscai sp. nov. A) Body, dorsal view, B) anterior thoracic segments, dorso-lateral view, C) same, ventral view, D) abdominal segments, dorso-lateral view, E) anterior thoracic segments, dorsal view, F) same, lateral view, G) thoracic and abdominal transition, lateral view with arrows pointing to glandular bars. Abbreviations: gr1—glandular ridge on chaetiger 1, gr2—glandular ridge on chaetiger 2, d—dorsum, v—ventrum. Scale bars: A) 5 mm, B–C, E–F) 2 mm, D, G) 1.5 mm. A–G: holotype UANL-8273.	FIGURE 22. Myxicola bruscai sp. nov. A) Body, dorsal view, B) anterior thoracic segments, dorso-lateral view, C) same, ventral view, D) abdominal segments, dorso-lateral view, E) anterior thoracic segments, dorsal view, F) same, lateral view, G) thoracic and abdominal transition, lateral view with arrows pointing to glandular bars. Abbreviations: gr1—glandular ridge on chaetiger 1, gr2—glandular ridge on chaetiger 2, d—dorsum, v—ventrum. Scale bars: A) 5 mm, B–C, E–F) 2 mm, D, G) 1.5 mm. A–G: holotype UANL-8273.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF9FFE6FF65FF53FCCBFB5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606407/files/figure.png	https://doi.org/10.5281/zenodo.16606407	FIGURE 23. Myxicola bruscai sp. nov. A) Radiolar compound eyes, B, D, E) details of eyes, C) radiolar flanges and radiolar skeleton, F) abdominal uncini, G) elongate, narrowly hooded chaeta, H) acicular thoracic uncini. Abbreviations: fl—flange, pm—palmate membrane. Scale bars: A–C) 200 μm, D) 50 μm, E) 100 μm, F) 20 μm, G) 10 μm, H) 5 μm. A–H: holotype UANL-8273.	FIGURE 23. Myxicola bruscai sp. nov. A) Radiolar compound eyes, B, D, E) details of eyes, C) radiolar flanges and radiolar skeleton, F) abdominal uncini, G) elongate, narrowly hooded chaeta, H) acicular thoracic uncini. Abbreviations: fl—flange, pm—palmate membrane. Scale bars: A–C) 200 μm, D) 50 μm, E) 100 μm, F) 20 μm, G) 10 μm, H) 5 μm. A–H: holotype UANL-8273.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF9FFE6FF65FF53FCCBFB5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606409/files/figure.png	https://doi.org/10.5281/zenodo.16606409	FIGURE 24. Myxicola bruscai sp. nov. A–B) Distal half of branchial crown showing tips, palmate membrane and subdistal eyes pointed with arrows, C–D) dorsal lips, from right and left lobe of branchial crown, respectively. C) Stained with methyl green. Abbreviations: dl—dorsal lip, pm—palmate membrane. Scale bars: A–B) 3 mm, C–D) 1 mm. A–D: holotype UANL- 8273.	FIGURE 24. Myxicola bruscai sp. nov. A–B) Distal half of branchial crown showing tips, palmate membrane and subdistal eyes pointed with arrows, C–D) dorsal lips, from right and left lobe of branchial crown, respectively. C) Stained with methyl green. Abbreviations: dl—dorsal lip, pm—palmate membrane. Scale bars: A–B) 3 mm, C–D) 1 mm. A–D: holotype UANL- 8273.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF9FFE6FF65FF53FCCBFB5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606461/files/figure.png	https://doi.org/10.5281/zenodo.16606461	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFF9FFE6FF65FF53FCCBFB5E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606459/files/figure.png	https://doi.org/10.5281/zenodo.16606459	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	FIGURE 39. Line drawings of chaetae and uncini. A–B, F–G, K, Q, T–U, X) Thoracic chaetae. C, H, L, R, W, Z) Thoracic uncini. D, I, N–O, S, V, Z1) Abdominal uncini. E) Companion chaeta. J) Abdominal chaeta. M, Y) Bayonet chaetae. A–E) Bispira beatrizae sp. nov. F–J) Bispira nunezi sp. nov. K–P) Chone tamai sp. nov. Q–S) Claviramus villalobosi sp. nov. T–W) Euchone nmercedesae sp. nov. X–Z1) Jasmineira agustinae sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFFDFFFBFF65FA9AFDB8FB5F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606411/files/figure.png	https://doi.org/10.5281/zenodo.16606411	FIGURE 25. Myxicola dilianae sp. nov. A) Body, dorsal view, B) same, ventrolateral view, C) radiolar tip, D) thorax, ventral view, E) same, dorsal view, F) dorsal lips, G) abdominal cinctures of uncini pointed with arrows, H) thoracic chaetiger, I) thoracic uncini, J–K) abdominal uncini. Abbreviations: dl—dorsal lip, gr2—glandular ridge on chaetiger 2, ra—radiolar appendage. Scale bars: A–B) 5 mm, C) 0.3 mm, D–E) 1.5 mm, F–G) 0.5 mm, H) 200 μm, I) 10 μm, J–K) 20 μm. A–J: holotype ICML- EMU-14036.	FIGURE 25. Myxicola dilianae sp. nov. A) Body, dorsal view, B) same, ventrolateral view, C) radiolar tip, D) thorax, ventral view, E) same, dorsal view, F) dorsal lips, G) abdominal cinctures of uncini pointed with arrows, H) thoracic chaetiger, I) thoracic uncini, J–K) abdominal uncini. Abbreviations: dl—dorsal lip, gr2—glandular ridge on chaetiger 2, ra—radiolar appendage. Scale bars: A–B) 5 mm, C) 0.3 mm, D–E) 1.5 mm, F–G) 0.5 mm, H) 200 μm, I) 10 μm, J–K) 20 μm. A–J: holotype ICML- EMU-14036.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFFDFFFBFF65FA9AFDB8FB5F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606461/files/figure.png	https://doi.org/10.5281/zenodo.16606461	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE0FFF8FF65FB7EFB4FFA96.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606413/files/figure.png	https://doi.org/10.5281/zenodo.16606413	FIGURE 26. Perkinsiana araceliae sp. nov. A, D) Thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) collar, dorsal view, E) same, ventral view, F) posterior abdomen and pygidium.Abbreviations: d—dorsum, pl—parallel lamella, v—ventrum. Scale bars: A, D–F) 0.5 mm, B–C) 1 mm. All stained with methyl green. A–C, F) holotype ICML-EMU-14038, D–E) paratype ICML-EMU-14039A.	FIGURE 26. Perkinsiana araceliae sp. nov. A, D) Thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) collar, dorsal view, E) same, ventral view, F) posterior abdomen and pygidium.Abbreviations: d—dorsum, pl—parallel lamella, v—ventrum. Scale bars: A, D–F) 0.5 mm, B–C) 1 mm. All stained with methyl green. A–C, F) holotype ICML-EMU-14038, D–E) paratype ICML-EMU-14039A.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE0FFF8FF65FB7EFB4FFA96.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606417/files/figure.png	https://doi.org/10.5281/zenodo.16606417	FIGURE 27. Perkinsiana araceliae sp. nov. A) Internal structures of branchial crown, B) detail of dorsal and ventral lips, C–D) radiolar tips pointed with arrows, E) superior thoracic chaetae narrowly hooded, F) inferior thoracic paleate chaetae, G) companion chaetae, H) thoracic uncini, I) abdominal uncinus, J) abdominal chaetiger with narrowly hooded chaetae. Abbreviations: d—dorsum, dl—dorsal lip, dpa—dorsal pinnular appendage, md—mid-rib, v—ventrum, vl—ventral lip. Scale bars: A–B) 1 mm, C) 0.4 mm, D) 0.2 mm, E, G) 20 μm, F) 25 μm, J–I) 40 μm, J) 100 μm.A–B) paratype ICML-EMU-14039A, C–J) holotype ICML-EMU-14038.	FIGURE 27. Perkinsiana araceliae sp. nov. A) Internal structures of branchial crown, B) detail of dorsal and ventral lips, C–D) radiolar tips pointed with arrows, E) superior thoracic chaetae narrowly hooded, F) inferior thoracic paleate chaetae, G) companion chaetae, H) thoracic uncini, I) abdominal uncinus, J) abdominal chaetiger with narrowly hooded chaetae. Abbreviations: d—dorsum, dl—dorsal lip, dpa—dorsal pinnular appendage, md—mid-rib, v—ventrum, vl—ventral lip. Scale bars: A–B) 1 mm, C) 0.4 mm, D) 0.2 mm, E, G) 20 μm, F) 25 μm, J–I) 40 μm, J) 100 μm.A–B) paratype ICML-EMU-14039A, C–J) holotype ICML-EMU-14038.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE0FFF8FF65FB7EFB4FFA96.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606461/files/figure.png	https://doi.org/10.5281/zenodo.16606461	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE3FFFDFF65FAD2FDA4F9CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606421/files/figure.png	https://doi.org/10.5281/zenodo.16606421	FIGURE 28. Perkinsiana nuriae sp. nov. A) Body, ventral view, B) thorax, dorsal view, C) same, ventral view, D) midabdomen, E) posterior end. Scale bars: A) squares 2 cm, B–C) 2.5 mm, D–E) 2 mm. A–E: holotype ICML-EMU-14043.	FIGURE 28. Perkinsiana nuriae sp. nov. A) Body, ventral view, B) thorax, dorsal view, C) same, ventral view, D) midabdomen, E) posterior end. Scale bars: A) squares 2 cm, B–C) 2.5 mm, D–E) 2 mm. A–E: holotype ICML-EMU-14043.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE3FFFDFF65FAD2FDA4F9CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606423/files/figure.png	https://doi.org/10.5281/zenodo.16606423	FIGURE 29. Perkinsiana nuriae sp. nov. A) Base of left radiolar lobe and internal lips, B) base of right radiolar lobe and internal lips, C) radiolar tip from dorsal radiole, D) same from lateral radiole, E) same from ventral radiole, F) notopodial lip indicated with asterisk, G) irregular rows of broadly hooded chaetae (inferior group of thoracic notochaetae), H) thoracic chaetiger, I) elongate narrowly hooded and broadly hooded chaetae from thorax, J) thoracic uncini and companion chaetae, K) abdominal chaetiger and detail of narrow hoods, L) thoracic uncinus, M) abdominal uncini. Abbreviations: dl—dorsal lip, vl—ventral lip. Scale bars: A) 1.5 mm, B) 2 mm, C–E) 0.2 mm, F–H) 0.5 mm, I) 25 μm, J, L–M) 40 μm, K) 100 μm. A–B) paratype ICML-EMU-14044), C–M) holotype ICML-EMU-14043.	FIGURE 29. Perkinsiana nuriae sp. nov. A) Base of left radiolar lobe and internal lips, B) base of right radiolar lobe and internal lips, C) radiolar tip from dorsal radiole, D) same from lateral radiole, E) same from ventral radiole, F) notopodial lip indicated with asterisk, G) irregular rows of broadly hooded chaetae (inferior group of thoracic notochaetae), H) thoracic chaetiger, I) elongate narrowly hooded and broadly hooded chaetae from thorax, J) thoracic uncini and companion chaetae, K) abdominal chaetiger and detail of narrow hoods, L) thoracic uncinus, M) abdominal uncini. Abbreviations: dl—dorsal lip, vl—ventral lip. Scale bars: A) 1.5 mm, B) 2 mm, C–E) 0.2 mm, F–H) 0.5 mm, I) 25 μm, J, L–M) 40 μm, K) 100 μm. A–B) paratype ICML-EMU-14044), C–M) holotype ICML-EMU-14043.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE3FFFDFF65FAD2FDA4F9CB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606461/files/figure.png	https://doi.org/10.5281/zenodo.16606461	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE6FFF1FF65F9F2FD8BFCA3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606425/files/figure.png	https://doi.org/10.5281/zenodo.16606425	FIGURE 30. Potamethus pepei sp. nov. A)Anterior thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) ventral shields of thorax, E) ventral shields, transition between thorax and abdomen, F) branchial crown, G) radiolar tip, H) thorax and anterior abdomen. Abbreviations: apr—anterior peristomial ring, gr2—glandular ridge on chaetiger 2, vs—ventral sacs, vsc—ventral shield of collar, 1, 2, 3…12—refers to the number of chaetiger. D–F, H) Stained with methyl green. Scale bars: A–D, H) 1.8 mm, E–F) 2.2 mm, G) 3 mm. A–E, G–H) holotype ICML-EMU-14048, F) ICML-EMU-14049.	FIGURE 30. Potamethus pepei sp. nov. A)Anterior thorax, dorsal view, B) same, ventral view, C) same, lateral view, D) ventral shields of thorax, E) ventral shields, transition between thorax and abdomen, F) branchial crown, G) radiolar tip, H) thorax and anterior abdomen. Abbreviations: apr—anterior peristomial ring, gr2—glandular ridge on chaetiger 2, vs—ventral sacs, vsc—ventral shield of collar, 1, 2, 3…12—refers to the number of chaetiger. D–F, H) Stained with methyl green. Scale bars: A–D, H) 1.8 mm, E–F) 2.2 mm, G) 3 mm. A–E, G–H) holotype ICML-EMU-14048, F) ICML-EMU-14049.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE6FFF1FF65F9F2FD8BFCA3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606427/files/figure.png	https://doi.org/10.5281/zenodo.16606427	FIGURE 31. Potamethus pepei sp. nov. A) Thoracic notochaetae, B) superior group of notochaetae (elongate, narrowly hooded), C) inferior group of notochaetae (paleate chaetae), D) thoracic uncini and companion chaetae, E) thoracic acicular uncini, arrow points to hump, F) thoracic uncini and companion chaetae, G) companion chaetae, H) abdominal chaetiger, I) short group of narrowly hooded chaetae, J) abdominal uncini. Scale bars: A, F, H) 100 μm; B) 50 μm; C–E, G, I–J) 20 μm. A–J) holotype ICML-EMU-14048.	FIGURE 31. Potamethus pepei sp. nov. A) Thoracic notochaetae, B) superior group of notochaetae (elongate, narrowly hooded), C) inferior group of notochaetae (paleate chaetae), D) thoracic uncini and companion chaetae, E) thoracic acicular uncini, arrow points to hump, F) thoracic uncini and companion chaetae, G) companion chaetae, H) abdominal chaetiger, I) short group of narrowly hooded chaetae, J) abdominal uncini. Scale bars: A, F, H) 100 μm; B) 50 μm; C–E, G, I–J) 20 μm. A–J) holotype ICML-EMU-14048.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFE6FFF1FF65F9F2FD8BFCA3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606461/files/figure.png	https://doi.org/10.5281/zenodo.16606461	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	FIGURE 40. Line drawings of chaetae and uncini. A, G–H, L–M, S) Thoracic chaetae. B, E, J, O, Q, T) Thoracic uncini. C–D, F, K, P, U) Abdominal uncini. I, N, R) Companion chaetae. A–D) Myxicola bruscai sp. nov. E–F) Myxicola dilianae sp. nov. G–K) Perkinsiana araceliae sp. nov. L–P) Perkinsiana nuriae sp. nov. Q–U) Potamethus pepei sp. nov. Scale bar: 30 μm.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFEAFF8BFF65FCEAFDB2FF4E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606433/files/figure.png	https://doi.org/10.5281/zenodo.16606433	FIGURE 32. Pseudopotamilla socialis Hartman, 1944. A) Worm partially inside its tube, B) radiolar crown, dorsal view, C) thorax, lateral view, D) same, dorsal view, E) same, ventral view, F) radiolar crown and thorax, ventral view. Scale bars: A) 0.3 mm, B) 0.7 mm, C) 0.6 mm, D–F) 1 mm. A–D) UANL-8277 specimen 9, E–F) UANL-8277 specimen 10.	FIGURE 32. Pseudopotamilla socialis Hartman, 1944. A) Worm partially inside its tube, B) radiolar crown, dorsal view, C) thorax, lateral view, D) same, dorsal view, E) same, ventral view, F) radiolar crown and thorax, ventral view. Scale bars: A) 0.3 mm, B) 0.7 mm, C) 0.6 mm, D–F) 1 mm. A–D) UANL-8277 specimen 9, E–F) UANL-8277 specimen 10.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFEAFF8BFF65FCEAFDB2FF4E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606437/files/figure.png	https://doi.org/10.5281/zenodo.16606437	FIGURE 33. Pseudopotamilla socialis Hartman, 1944. A) Radiolar crown and thorax, ventral view, B) peristomial eyes, C) compound radiolar eyes pointed with arrows, D) radiolar tip, E) triangular dorsal lip with mid rib support and blood vessel, F) ventral lip and ventral flange of base of radiolar lobe. Abbreviations: dl—dorsal lip, bv—blood vessel, pe—peristomial eyes, vf—ventral flange, vl—ventral lip. Scale bars: A) 0.7 mm, B) 0.4 mm, C) 0.08 mm, D) 0.2 mm, E–F) 0. 4 mm. A–F: UANL- 8277.	FIGURE 33. Pseudopotamilla socialis Hartman, 1944. A) Radiolar crown and thorax, ventral view, B) peristomial eyes, C) compound radiolar eyes pointed with arrows, D) radiolar tip, E) triangular dorsal lip with mid rib support and blood vessel, F) ventral lip and ventral flange of base of radiolar lobe. Abbreviations: dl—dorsal lip, bv—blood vessel, pe—peristomial eyes, vf—ventral flange, vl—ventral lip. Scale bars: A) 0.7 mm, B) 0.4 mm, C) 0.08 mm, D) 0.2 mm, E–F) 0. 4 mm. A–F: UANL- 8277.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFEAFF8BFF65FCEAFDB2FF4E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606441/files/figure.png	https://doi.org/10.5281/zenodo.16606441	FIGURE 34. Pseudopotamilla socialis Hartman, 1944. A) Last four thoracic chaetigers and first abdominal chaetiger, B) uncini from thoracic chaetiger 2, C) detail of crest, main fang, neck and breast from thoracic chaetiger 2, D) companion chaetae from thoracic chaetiger 2, E) detail of crest of thoracic uncini from thoracic chaetiger 2, F) uncini from last thoracic chaetiger (chaetiger 9), G) detail of crest, main fang, neck and breast from last thoracic chaetiger (chaetiger 9), H) companion chaeta from last thoracic chaetiger (chaetiger 9), I) detail of crest from last thoracic chaetiger (chaetiger 9), J) thoracic chaetiger 2 with superior notochaetae elongate narrowly hooded and inferior ones paleate with pointed mucros, K) uncini from first abdominal chaetiger, L) detail of crest of uncini from first abdominal chaetiger, M) abdominal chaetiger with elongate broadly-hooded chaetae. Abbreviations: A1—abdominal chaetiger 1, T6–T9—thoracic chaetigers 6 to 9. Scale bars: A) 0.2 mm, B–D, G–H, K) 22 μm, E, I, M) 10 μm, F) 50 μm, J, L) 30 μm. A–M: UANL-8277.	FIGURE 34. Pseudopotamilla socialis Hartman, 1944. A) Last four thoracic chaetigers and first abdominal chaetiger, B) uncini from thoracic chaetiger 2, C) detail of crest, main fang, neck and breast from thoracic chaetiger 2, D) companion chaetae from thoracic chaetiger 2, E) detail of crest of thoracic uncini from thoracic chaetiger 2, F) uncini from last thoracic chaetiger (chaetiger 9), G) detail of crest, main fang, neck and breast from last thoracic chaetiger (chaetiger 9), H) companion chaeta from last thoracic chaetiger (chaetiger 9), I) detail of crest from last thoracic chaetiger (chaetiger 9), J) thoracic chaetiger 2 with superior notochaetae elongate narrowly hooded and inferior ones paleate with pointed mucros, K) uncini from first abdominal chaetiger, L) detail of crest of uncini from first abdominal chaetiger, M) abdominal chaetiger with elongate broadly-hooded chaetae. Abbreviations: A1—abdominal chaetiger 1, T6–T9—thoracic chaetigers 6 to 9. Scale bars: A) 0.2 mm, B–D, G–H, K) 22 μm, E, I, M) 10 μm, F) 50 μm, J, L) 30 μm. A–M: UANL-8277.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFEAFF8BFF65FCEAFDB2FF4E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606443/files/figure.png	https://doi.org/10.5281/zenodo.16606443	FIGURE 35. Pseudopotamilla socialis Hartman, 1944. A) Thoracic chaetigers, lateral view, B) detail of torus in chaetiger 2, C) detail of torus in chaetiger 11, D–E) methyl green staining pattern in different specimens. Abbreviations: numbers 1 to 11—refers to number of thoracic chaetigers. Scale bars: A, D–G) 0.4 mm, B–C) 0.2 mm. A–E: UANL-8277.	FIGURE 35. Pseudopotamilla socialis Hartman, 1944. A) Thoracic chaetigers, lateral view, B) detail of torus in chaetiger 2, C) detail of torus in chaetiger 11, D–E) methyl green staining pattern in different specimens. Abbreviations: numbers 1 to 11—refers to number of thoracic chaetigers. Scale bars: A, D–G) 0.4 mm, B–C) 0.2 mm. A–E: UANL-8277.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FFEAFF8BFF65FCEAFDB2FF4E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606427/files/figure.png	https://doi.org/10.5281/zenodo.16606427	FIGURE 31. Potamethus pepei sp. nov. A) Thoracic notochaetae, B) superior group of notochaetae (elongate, narrowly hooded), C) inferior group of notochaetae (paleate chaetae), D) thoracic uncini and companion chaetae, E) thoracic acicular uncini, arrow points to hump, F) thoracic uncini and companion chaetae, G) companion chaetae, H) abdominal chaetiger, I) short group of narrowly hooded chaetae, J) abdominal uncini. Scale bars: A, F, H) 100 μm; B) 50 μm; C–E, G, I–J) 20 μm. A–J) holotype ICML-EMU-14048.	FIGURE 31. Potamethus pepei sp. nov. A) Thoracic notochaetae, B) superior group of notochaetae (elongate, narrowly hooded), C) inferior group of notochaetae (paleate chaetae), D) thoracic uncini and companion chaetae, E) thoracic acicular uncini, arrow points to hump, F) thoracic uncini and companion chaetae, G) companion chaetae, H) abdominal chaetiger, I) short group of narrowly hooded chaetae, J) abdominal uncini. Scale bars: A, F, H) 100 μm; B) 50 μm; C–E, G, I–J) 20 μm. A–J) holotype ICML-EMU-14048.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
039E9712FF92FF8FFF65FB42FDFBFDA7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16606451/files/figure.png	https://doi.org/10.5281/zenodo.16606451	FIGURE 37. Hyalopomatus biformis (Hartman, 1960). A) Tube, distal end, B–D) operculum and peduncle, different views. Scale bars: A) 0.5 mm, B–D) 0.4 mm. A–D: ICML-EMU-14051.	FIGURE 37. Hyalopomatus biformis (Hartman, 1960). A) Tube, distal end, B–D) operculum and peduncle, different views. Scale bars: A) 0.5 mm, B–D) 0.4 mm. A–D: ICML-EMU-14051.	2025-07-18	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.		Zenodo	biologists	Tovar-Hernández, María Ana;León-González, Jesús Angel De;Hendrickx, Michel E.			
