taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935823/files/figure.png	https://doi.org/10.5281/zenodo.17935823	FIGURE 1. Distribution of Stenosemus magnidentis sp. nov. Black circles – specimens examined, empty circles – by literature data.	FIGURE 1. Distribution of Stenosemus magnidentis sp. nov. Black circles – specimens examined, empty circles – by literature data.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935831/files/figure.png	https://doi.org/10.5281/zenodo.17935831	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935845/files/figure.png	https://doi.org/10.5281/zenodo.17935845	FIGURE 6. Stenosemus magnidentis sp. nov., Bering Sea, 72 m, holotype (ZIN 2592), BL 10 mm: A-C. Dorsal spicules; D. Marginal spicules and scales.	FIGURE 6. Stenosemus magnidentis sp. nov., Bering Sea, 72 m, holotype (ZIN 2592), BL 10 mm: A-C. Dorsal spicules; D. Marginal spicules and scales.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935858/files/figure.png	https://doi.org/10.5281/zenodo.17935858	FIGURE 7. Stenosemus magnidentis sp. nov., Bering Sea, 72 m, holotype (ZIN 2592), BL 10 mm: A. Dorsal spicules; B. Radula. C. Central and first lateral teeth of radula; D. Heads of major lateral teeth of radula.	FIGURE 7. Stenosemus magnidentis sp. nov., Bering Sea, 72 m, holotype (ZIN 2592), BL 10 mm: A. Dorsal spicules; B. Radula. C. Central and first lateral teeth of radula; D. Heads of major lateral teeth of radula.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935864/files/figure.png	https://doi.org/10.5281/zenodo.17935864	FIGURE 8. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view.	FIGURE 8. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935868/files/figure.png	https://doi.org/10.5281/zenodo.17935868	FIGURE 9. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm:A, B. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules; D. Dorsal and marginal spicules.	FIGURE 9. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm:A, B. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules; D. Dorsal and marginal spicules.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935872/files/figure.png	https://doi.org/10.5281/zenodo.17935872	FIGURE 10. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm: A, B. Radula.	FIGURE 10. Stenosemus magnidentis sp. nov., Bering Sea, Gulf of Anadyr, 66 m, paratype (ZIN 2594), BL 13 mm: A, B. Radula.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA9A440A5A4FC12BD99D382.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935876/files/figure.png	https://doi.org/10.5281/zenodo.17935876	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935831/files/figure.png	https://doi.org/10.5281/zenodo.17935831	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935876/files/figure.png	https://doi.org/10.5281/zenodo.17935876	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935880/files/figure.png	https://doi.org/10.5281/zenodo.17935880	FIGURE 12. Distribution of Stenosemus albus. Black circles—specimens examined, empty circles – by literature data.	FIGURE 12. Distribution of Stenosemus albus. Black circles—specimens examined, empty circles – by literature data.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935882/files/figure.png	https://doi.org/10.5281/zenodo.17935882	FIGURE 13. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm: A. Valve I, dorsal view; B. Valve V, dorsal view; C. Valve VIII, dorsal view; D. Valve IV, ventral view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view.	FIGURE 13. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm: A. Valve I, dorsal view; B. Valve V, dorsal view; C. Valve VIII, dorsal view; D. Valve IV, ventral view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935886/files/figure.png	https://doi.org/10.5281/zenodo.17935886	FIGURE 14. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm: A, B, D. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules.	FIGURE 14. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm: A, B, D. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935888/files/figure.png	https://doi.org/10.5281/zenodo.17935888	FIGURE 15. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm (A–С), Spitsbergen Islands, Kongsfjord, 6 m, BL 12 mm (D): A, B. Radula; C, D. Heads of major lateral teeth of radula.	FIGURE 15. Stenosemus albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 9.0 mm (A–С), Spitsbergen Islands, Kongsfjord, 6 m, BL 12 mm (D): A, B. Radula; C, D. Heads of major lateral teeth of radula.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935892/files/figure.png	https://doi.org/10.5281/zenodo.17935892	FIGURE 16. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view; H. Valve IV, ventral view.	FIGURE 16. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view; H. Valve IV, ventral view.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935894/files/figure.png	https://doi.org/10.5281/zenodo.17935894	FIGURE 17. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Dorsal and marginal spicules and scales, and ventral scales; B. Marginal spicules and scales; C, D. Dorsal spicules.	FIGURE 17. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Dorsal and marginal spicules and scales, and ventral scales; B. Marginal spicules and scales; C, D. Dorsal spicules.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFA1A459A5A4FBA5BA47D6BE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935898/files/figure.png	https://doi.org/10.5281/zenodo.17935898	FIGURE 18. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Ventral scales; B. Radula; C. Head of major lateral tooth; D. Central and first lateral teeth of radula.	FIGURE 18. Stenosemus albus, Arctic Ocean, Kara Sea, St. Anna Trough, 220–225 m, BL 13.0 mm: A. Ventral scales; B. Radula; C. Head of major lateral tooth; D. Central and first lateral teeth of radula.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935831/files/figure.png	https://doi.org/10.5281/zenodo.17935831	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	FIGURE 4. Complete specimen of chitons of genus Stenosemus: S. albus, Barents Sea, Murman coast, Jarnishnaja Inlet, intertidal, BL 15.0 mm (A). S. magnidentis sp. nov., Bering Sea, 73 m, paratype, BL 12.0 mm (B). S. sharpii, Kurile Islands, Simushir Island, 15 m, BL 8.2 mm (C).	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935876/files/figure.png	https://doi.org/10.5281/zenodo.17935876	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	FIGURE 11. Central teeth and head of major lateral teeth of Stenosemus albus (A-I), S. magnidentis sp. nov. (J–O) and S. sharpii (P, Q). A. Norwegian Sea, Tromsø, BL 5.5 mm; B. Barents Sea, Murman coast, Jarnishnaja Inlet, BL 9.0 mm; C. Atlantic Ocean, Newfoundland Bank, 9.5 mm; D. Norwegian Sea, Tromsø, BL 9.5 mm; E. Arctic Ocean, Kara Sea, St. Anna Trough, 13.0 mm; F. Spitsbergen Islands, Kongsfjord, BL 12.0 mm; G. Arctic Ocean, Kara Sea, St. Anna Trough, 17.0 mm; H. Norwegian Sea, Storfjord, BL 16.0 mm; I. Franz Josef Land, Kheisa Island, BL 20.0 mm; J. East Siberian Sea, Chauna Inlet, BL 9.0 mm; K. Bering Sea, Gulf of Anadyr, BL 10.0 mm; L. Bering Sea, Navarin Cape, BL 10 mm; M. Sea of Japan, BL 11.0 mm; N. Commander Islands, Bering Island, BL 14.0 mm; O. Bering Sea, near Plover Bay, BL 14.5 mm; P. Kurile Islands, Simushir Island, BL 15.5 mm; Q. Aleutian Islands, Unalashka Island, near Small South America, BL 13.5 mm. Scale bar 100 µm.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935900/files/figure.png	https://doi.org/10.5281/zenodo.17935900	FIGURE 19. Distribution of Stenosemus sharpii. Black circles – specimens examined, empty circles – by literature data.	FIGURE 19. Distribution of Stenosemus sharpii. Black circles – specimens examined, empty circles – by literature data.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935902/files/figure.png	https://doi.org/10.5281/zenodo.17935902	FIGURE 20. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view; H. Valve VI, ventral view.	FIGURE 20. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F. Valve V, rostral view; G. Valve VIII, lateral view; H. Valve VI, ventral view.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935906/files/figure.png	https://doi.org/10.5281/zenodo.17935906	FIGURE 21. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A, B, D. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules.	FIGURE 21. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A, B, D. Dorsal and marginal spicules and scales, and ventral scales; C. Dorsal spicules.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935908/files/figure.png	https://doi.org/10.5281/zenodo.17935908	FIGURE 22. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A. Ventral scales and marginal spicules and scale; B, D. Radula; C. Central and first lateral teeth of radula.	FIGURE 22. Stenosemus sharpii, Aleutian Islands, Unalashka Island, Captains Bay, near Dutch Harbor, 5–15 m, BL 13.5 mm: A. Ventral scales and marginal spicules and scale; B, D. Radula; C. Central and first lateral teeth of radula.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935914/files/figure.png	https://doi.org/10.5281/zenodo.17935914	FIGURE 23. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F.Valve V, rostral view; G. Valve VIII, lateral view.	FIGURE 23. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Valve I, dorsal view; B. Valve II, dorsal view; C. Valve V, dorsal view; D. Valve VIII, dorsal view; E. Valve V, detail of tegmentum surface of central area; F.Valve V, rostral view; G. Valve VIII, lateral view.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935916/files/figure.png	https://doi.org/10.5281/zenodo.17935916	FIGURE 24. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Dorsal and marginal spicules and scales, and ventral scales; B, C. Dorsal spicules; D. dorsal and marginal spicules and scales.	FIGURE 24. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Dorsal and marginal spicules and scales, and ventral scales; B, C. Dorsal spicules; D. dorsal and marginal spicules and scales.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
9C3887FCFFB9A456A5A4FA59BA7BD6C9.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/17935920/files/figure.png	https://doi.org/10.5281/zenodo.17935920	FIGURE 25. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Radula; B. Central and first lateral teeth of radula. C. Central, first lateral and major lateral teeth of radula; D. Major uncinal teeth and head of major lateral teeth.	FIGURE 25. Stenosemus sharpie, Kurile Islands, Simushir Island, 15 m, BL 15.5 mm: A. Radula; B. Central and first lateral teeth of radula. C. Central, first lateral and major lateral teeth of radula; D. Major uncinal teeth and head of major lateral teeth.	2025-12-15	Sirenko, Boris I.;Khabibulina, Valeriya		Zenodo	biologists	Sirenko, Boris I.;Khabibulina, Valeriya			
