taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521489/files/figure.png	https://doi.org/10.5281/zenodo.6521489	FIGURE 13. The holotype (USNM 596040/RAP1106) of Desmognathus pascagoula in life on isolated (a) and naturalistic (b) backgrounds. Note the relative lack of distinct “portholes” in the dorsolateral and lateral rows on the body and tail, and the bright orange postocular stripe. The ventrolateral row of “portholes” is partially visible on the body.	FIGURE 13. The holotype (USNM 596040/RAP1106) of Desmognathus pascagoula in life on isolated (a) and naturalistic (b) backgrounds. Note the relative lack of distinct “portholes” in the dorsolateral and lateral rows on the body and tail, and the bright orange postocular stripe. The ventrolateral row of “portholes” is partially visible on the body.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521491/files/figure.png	https://doi.org/10.5281/zenodo.6521491	FIGURE 14. The holotype (USNM 596040/RAP1106) of Desmognathus pascagoula in preservative in dorsal (a) and ventral (b) views. Tick marks on ruler are in mm.	FIGURE 14. The holotype (USNM 596040/RAP1106) of Desmognathus pascagoula in preservative in dorsal (a) and ventral (b) views. Tick marks on ruler are in mm.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521494/files/figure.png	https://doi.org/10.5281/zenodo.6521494	FIGURE 15. The Ward Bayou paratype (MMNS 19623/JYL78) of Desmognathus pascagoula in life. Note distinct dorsal color pattern, the irregular lateral “portholes” on the trunk and tail, and the larger ventrolateral “portholes.”	FIGURE 15. The Ward Bayou paratype (MMNS 19623/JYL78) of Desmognathus pascagoula in life. Note distinct dorsal color pattern, the irregular lateral “portholes” on the trunk and tail, and the larger ventrolateral “portholes.”	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521496/files/figure.png	https://doi.org/10.5281/zenodo.6521496	FIGURE 16. Ventral view of the Ward Bayou paratype (MMNS 19623/JYL78) of Desmognathus pascagoula in life. Note the darkened “stellate” condition of the ventral melanophores, as in nearby populations of D. valentinei (see Means et al. 2017). The jagged but prominent ventrolateral line of portholes is clearly visible here on the body, as is the lateral row of “portholes” on the tail.	FIGURE 16. Ventral view of the Ward Bayou paratype (MMNS 19623/JYL78) of Desmognathus pascagoula in life. Note the darkened “stellate” condition of the ventral melanophores, as in nearby populations of D. valentinei (see Means et al. 2017). The jagged but prominent ventrolateral line of portholes is clearly visible here on the body, as is the lateral row of “portholes” on the tail.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521499/files/figure.png	https://doi.org/10.5281/zenodo.6521499	FIGURE 17. A Grand Bay paratype (AUM 45885/RAP1107) of Desmognathus pascagoula in life on isolated (a) and naturalistic (b) backgrounds. Note the bright orange postocular stripe shared by all adult specimens, and the resemblance to the Ward Bayou paratype in terms of the distinct coloration on the dorsal surface of the tail, dark overall coloration, and visibility of the ventrolateral portholes on the body and lateral row of “portholes” on the tail.	FIGURE 17. A Grand Bay paratype (AUM 45885/RAP1107) of Desmognathus pascagoula in life on isolated (a) and naturalistic (b) backgrounds. Note the bright orange postocular stripe shared by all adult specimens, and the resemblance to the Ward Bayou paratype in terms of the distinct coloration on the dorsal surface of the tail, dark overall coloration, and visibility of the ventrolateral portholes on the body and lateral row of “portholes” on the tail.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521501/files/figure.png	https://doi.org/10.5281/zenodo.6521501	FIGURE 18. Additional specimen (DAB11479) of Desmognathus pascagoula from the Grand Bay locality, showing variation in color pattern. Note overall lighter coloration compared to the paratypes, though still exhibiting a bright orange postocular stripe, relatively indistinct dorsolateral “portholes,” two-toned lateral coloration and jagged ventrolateral row of “portholes,” reddish-orange stripe on the dorsal surface of the tail, and increased prominence of lateral “portholes” on the tail, which is fat, keeled, and blade-like towards the tip (partially regenerated).	FIGURE 18. Additional specimen (DAB11479) of Desmognathus pascagoula from the Grand Bay locality, showing variation in color pattern. Note overall lighter coloration compared to the paratypes, though still exhibiting a bright orange postocular stripe, relatively indistinct dorsolateral “portholes,” two-toned lateral coloration and jagged ventrolateral row of “portholes,” reddish-orange stripe on the dorsal surface of the tail, and increased prominence of lateral “portholes” on the tail, which is fat, keeled, and blade-like towards the tip (partially regenerated).	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521485/files/figure.png	https://doi.org/10.5281/zenodo.6521485	FIGURE 11. Comparative specimen (AMNH 193773/RAP1108) of Desmognathus conanti C from Pigeon Creek, Clarke Co., Alabama, showing typical coloration of Spotted Dusky Salamanders from the Gulf Coastal Plain (see Valentine, 1963). These populations are often confused with D. valentinei (e.g., by Kozak et al., 2005; see Beamer and Lamb, 2008), and could be mistaken for D. pascagoula. Distinguishing characters include elongated “duck-bill” snout; indistinct postocular stripe; heavy, irregular, light-colored lateral and ventrolateral flecking and speckling; ventrolateral row of “portholes” on the trunk barely distinguishable from flecking; and more slender, less compressed tail with faint lateral row of “portholes” barely visible.	FIGURE 11. Comparative specimen (AMNH 193773/RAP1108) of Desmognathus conanti C from Pigeon Creek, Clarke Co., Alabama, showing typical coloration of Spotted Dusky Salamanders from the Gulf Coastal Plain (see Valentine, 1963). These populations are often confused with D. valentinei (e.g., by Kozak et al., 2005; see Beamer and Lamb, 2008), and could be mistaken for D. pascagoula. Distinguishing characters include elongated “duck-bill” snout; indistinct postocular stripe; heavy, irregular, light-colored lateral and ventrolateral flecking and speckling; ventrolateral row of “portholes” on the trunk barely distinguishable from flecking; and more slender, less compressed tail with faint lateral row of “portholes” barely visible.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521487/files/figure.png	https://doi.org/10.5281/zenodo.6521487	FIGURE 12. Small specimen (MMNS 19992 /RAP1111) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, showing typical juvenile coloration of “pale auriculatus” sensu Valentine (1963). Note strong overall similarity to D. conanti C (e.g., AMNH 193773/RAP1108; Fig. 11) on superficial examination.	FIGURE 12. Small specimen (MMNS 19992 /RAP1111) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, showing typical juvenile coloration of “pale auriculatus” sensu Valentine (1963). Note strong overall similarity to D. conanti C (e.g., AMNH 193773/RAP1108; Fig. 11) on superficial examination.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521503/files/figure.png	https://doi.org/10.5281/zenodo.6521503	FIGURE 19. Small specimen (MMNS 19990/RAP1109) of Desmognathus valentinei from Thompson Creek, Wayne Co., Mississippi, showing typical juvenile form and color of “pale auriculatus” sensu Valentine (1963), notably a blunt snout; indistinct postocular stripe; indistinct dorsal color pattern; distinct ventrolateral and lateral “portholes” on the trunk and tail; and distinctly keeled, “fin-like” or “blade-like” tail (partially regrown).	FIGURE 19. Small specimen (MMNS 19990/RAP1109) of Desmognathus valentinei from Thompson Creek, Wayne Co., Mississippi, showing typical juvenile form and color of “pale auriculatus” sensu Valentine (1963), notably a blunt snout; indistinct postocular stripe; indistinct dorsal color pattern; distinct ventrolateral and lateral “portholes” on the trunk and tail; and distinctly keeled, “fin-like” or “blade-like” tail (partially regrown).	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521505/files/figure.png	https://doi.org/10.5281/zenodo.6521505	FIGURE 20. Large adult specimen (MMNS 19991/RAP1110) of Desmognathus valentinei from Thompson Creek, Wayne Co., Mississippi, showing typical adult coloration of “pale auriculatus” sensu Valentine (1963). Note overall distinctiveness in body form and coloration from D. pascagoula, including muted coloration of the postocular stripe, girth of the trunk and tail, distinctiveness of all three rows of “portholes” on the trunk, and lack of distinct dorsal color pattern.	FIGURE 20. Large adult specimen (MMNS 19991/RAP1110) of Desmognathus valentinei from Thompson Creek, Wayne Co., Mississippi, showing typical adult coloration of “pale auriculatus” sensu Valentine (1963). Note overall distinctiveness in body form and coloration from D. pascagoula, including muted coloration of the postocular stripe, girth of the trunk and tail, distinctiveness of all three rows of “portholes” on the trunk, and lack of distinct dorsal color pattern.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521507/files/figure.png	https://doi.org/10.5281/zenodo.6521507	FIGURE 21. Larger specimen (MMNS 19993/RAP1112) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, beginning to showing typical adult coloration of “dark auriculatus” sensu Valentine (1963) more typical of southeastern Mississippi populations. Note the more uniform and darker dorsal coloration and more brightly contrasting “portholes” in all three rows on the trunk.	FIGURE 21. Larger specimen (MMNS 19993/RAP1112) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, beginning to showing typical adult coloration of “dark auriculatus” sensu Valentine (1963) more typical of southeastern Mississippi populations. Note the more uniform and darker dorsal coloration and more brightly contrasting “portholes” in all three rows on the trunk.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521509/files/figure.png	https://doi.org/10.5281/zenodo.6521509	FIGURE 22. Large specimen (MMNS 19994/RAP1113) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, showing typical adult coloration of “dark auriculatus” sensu Valentine (1963). Note the uniform melanistic dorsal coloration and brightly contrasting ventrolateral “portholes” on the trunk, nearly indistinguishable postocular stripe, and strongly keeled “fin-like” or “blade-like” tail, with lateral row of “portholes” barely visible.	FIGURE 22. Large specimen (MMNS 19994/RAP1113) of Desmognathus valentinei from headwaters of West Creek, Harrison Co., Mississippi, showing typical adult coloration of “dark auriculatus” sensu Valentine (1963). Note the uniform melanistic dorsal coloration and brightly contrasting ventrolateral “portholes” on the trunk, nearly indistinguishable postocular stripe, and strongly keeled “fin-like” or “blade-like” tail, with lateral row of “portholes” barely visible.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521469/files/figure.png	https://doi.org/10.5281/zenodo.6521469	FIGURE 5. The type locality in the floodplain terrace of Ward Bayou (MS: Jackson). The holotype was captured under the partially submerged log second from the bottom on the right. This portion of the floodplain swamp fed by a bluff seepage was dry on three previous visits to the site in October and December 2019. The paratype was captured farther up the same seep in 2013, and the headwaters contain Desmognathus conanti C. Blue flagging from one of our (JYL) previous field surveys (Lamb 2016) is barely visible on trees in the upper center.	FIGURE 5. The type locality in the floodplain terrace of Ward Bayou (MS: Jackson). The holotype was captured under the partially submerged log second from the bottom on the right. This portion of the floodplain swamp fed by a bluff seepage was dry on three previous visits to the site in October and December 2019. The paratype was captured farther up the same seep in 2013, and the headwaters contain Desmognathus conanti C. Blue flagging from one of our (JYL) previous field surveys (Lamb 2016) is barely visible on trees in the upper center.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521511/files/figure.png	https://doi.org/10.5281/zenodo.6521511	FIGURE 23. Possible specimen of Desmognathus pascagoula (AUM 10543) from near Tensaw, Baldwin Co., Alabama in dorsal (a) and ventral (b) views. Key features suggesting conspecificity with the Pascagoula populations are a relatively blunt or brachycephalic snout; distinct postocular stripe (faded in preservative, but of an apparently bright color in life); distinct dorsal color pattern; jagged but noticeable ventrolateral and lateral “portholes” on the trunk and tail(appearing as light areas devoid of melanin); ventral melanophores in the “stellate” condition; and heavily keeled, “fin-like” or “blade-like” tail with distinct dorsal coloration.	FIGURE 23. Possible specimen of Desmognathus pascagoula (AUM 10543) from near Tensaw, Baldwin Co., Alabama in dorsal (a) and ventral (b) views. Key features suggesting conspecificity with the Pascagoula populations are a relatively blunt or brachycephalic snout; distinct postocular stripe (faded in preservative, but of an apparently bright color in life); distinct dorsal color pattern; jagged but noticeable ventrolateral and lateral “portholes” on the trunk and tail(appearing as light areas devoid of melanin); ventral melanophores in the “stellate” condition; and heavily keeled, “fin-like” or “blade-like” tail with distinct dorsal coloration.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521475/files/figure.png	https://doi.org/10.5281/zenodo.6521475	FIGURE 7. Results from conStruct analysis of 2,798 bi-allelic SNPs from 18 specimens. Overall layer contributions indicate K=2 significant genetic clusters, 10 Desmognathus valentinei from 6 populations, and 8 D. pascagoula from 5 populations.	FIGURE 7. Results from conStruct analysis of 2,798 bi-allelic SNPs from 18 specimens. Overall layer contributions indicate K=2 significant genetic clusters, 10 Desmognathus valentinei from 6 populations, and 8 D. pascagoula from 5 populations.	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
03CE87E1FFC1FA62FF44FB7CFC539344.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/6521479/files/figure.png	https://doi.org/10.5281/zenodo.6521479	FIGURE 8. Results from the ML analysis of the ND2/tRNA/COI fragment for the focal clade, including Desmognathus auriculatus A–C, D. brimleyorum, D. conanti C, D. pascagoula, and D. valentinei. All available specimens are included for D. brimleyorum, D. pascagoula, and D. valentinei, but only a single exemplar for the other lineages. Dots at nodes indicate strong support (BS>70% & SHL>85%). Inset maps show all known localities for D. brimleyorum, D. conanti C, D. pascagoula, and D. valentinei verified by molecular sequence data (type locality and recent sites), along with the potential historical locality for D. pascagoula. Note that RAP1106 (in bold) is the holotype (USNM 596040).	FIGURE 8. Results from the ML analysis of the ND2/tRNA/COI fragment for the focal clade, including Desmognathus auriculatus A–C, D. brimleyorum, D. conanti C, D. pascagoula, and D. valentinei. All available specimens are included for D. brimleyorum, D. pascagoula, and D. valentinei, but only a single exemplar for the other lineages. Dots at nodes indicate strong support (BS>70% & SHL>85%). Inset maps show all known localities for D. brimleyorum, D. conanti C, D. pascagoula, and D. valentinei verified by molecular sequence data (type locality and recent sites), along with the potential historical locality for D. pascagoula. Note that RAP1106 (in bold) is the holotype (USNM 596040).	2022-05-03	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.		Zenodo	biologists	Pyron, R. Alexander;O’Connell, Kyle A.;Lamb, Jennifer Y.;Beamer, David A.			
