taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
A83CBB79AA16A511FEB2FE84FD3FB7DE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667622/files/figure.png	https://doi.org/10.5281/zenodo.14667622	Figure 1. Gilvossius setimanus s.s., adapted from Williams (1984: fig. 125a–d), male, USNM 14096 (A, C, E, F) and from Rabalais et al. (1981: fig. 2b, c) female, USNM 51007 (B, D). A, anterior carapace, eyes, antennules, and antennae, dorsal surfaces; B, third maxilliped, internal surface; C, D, major cheliped, external surface; E, minor cheliped, external surface; F, sixth pleonal somite, telson, and left uropods, dorsal surfaces. Not shown to scale.	Figure 1. Gilvossius setimanus s.s., adapted from Williams (1984: fig. 125a–d), male, USNM 14096 (A, C, E, F) and from Rabalais et al. (1981: fig. 2b, c) female, USNM 51007 (B, D). A, anterior carapace, eyes, antennules, and antennae, dorsal surfaces; B, third maxilliped, internal surface; C, D, major cheliped, external surface; E, minor cheliped, external surface; F, sixth pleonal somite, telson, and left uropods, dorsal surfaces. Not shown to scale.	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA16A511FEB2FE84FD3FB7DE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667634/files/figure.png	https://doi.org/10.5281/zenodo.14667634	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA10A51FFE86FB0AFD6CB4ED.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667626/files/figure.png	https://doi.org/10.5281/zenodo.14667626	Figure 2. Gilvossius howellorum n. sp., male holotype, pocl 12.4 mm, lower Tampa Bay, St. Petersburg, Florida, shallow subtidal flat (USNM 1546234 = ULLZ 12183): A, B, anterior carapace, eyes, and peduncles, lateral and dorsal; C, right mandible, internal; D, right first maxilla, external; E, right second maxilla, external; F, right first maxilliped, external; G, right second maxilliped, internal; H, right third maxilliped without setae, external; I, right third maxilliped, internal. Scale bars = 3.0 mm (A, B, D–I), 1.5 mm (C).	Figure 2. Gilvossius howellorum n. sp., male holotype, pocl 12.4 mm, lower Tampa Bay, St. Petersburg, Florida, shallow subtidal flat (USNM 1546234 = ULLZ 12183): A, B, anterior carapace, eyes, and peduncles, lateral and dorsal; C, right mandible, internal; D, right first maxilla, external; E, right second maxilla, external; F, right first maxilliped, external; G, right second maxilliped, internal; H, right third maxilliped without setae, external; I, right third maxilliped, internal. Scale bars = 3.0 mm (A, B, D–I), 1.5 mm (C).	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA10A51FFE86FB0AFD6CB4ED.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667628/files/figure.png	https://doi.org/10.5281/zenodo.14667628	Figure 3. Gilvossius howellorum n. sp. A, E, J–L, ovigerous female paratype, pocl 11.5mm, lower Tampa Bay, St.Petersburg, Florida, shallow subtidal flat (USNM 1540396 = ULLZ 4500TB-A); B–D, F–I, M, male holotype, pocl 12.4 mm, lower Tampa Bay, St. Petersburg,Florida,shallow subtidal flat (USNM 1546234 = ULLZ12183).A, female major cheliped,external; B, male major chela, external; C, minor cheliped; D, right second pereopod, external; E, left third pereopod, internal; F, right third pereopod, external; G, left fourth pereopod, internal; H, right fifth pereopod, external; I, right fifth pereopod terminus, internal; J, female right first pleopod, external; K, female right second pleopod, external; L, right third pleopod, anterior; M, telson and uropods, dorsal, right uropodal setation shown. Scale bars = 3.0 mm (A–H, J–M), 1.5 mm (I).	Figure 3. Gilvossius howellorum n. sp. A, E, J–L, ovigerous female paratype, pocl 11.5mm, lower Tampa Bay, St.Petersburg, Florida, shallow subtidal flat (USNM 1540396 = ULLZ 4500TB-A); B–D, F–I, M, male holotype, pocl 12.4 mm, lower Tampa Bay, St. Petersburg,Florida,shallow subtidal flat (USNM 1546234 = ULLZ12183).A, female major cheliped,external; B, male major chela, external; C, minor cheliped; D, right second pereopod, external; E, left third pereopod, internal; F, right third pereopod, external; G, left fourth pereopod, internal; H, right fifth pereopod, external; I, right fifth pereopod terminus, internal; J, female right first pleopod, external; K, female right second pleopod, external; L, right third pleopod, anterior; M, telson and uropods, dorsal, right uropodal setation shown. Scale bars = 3.0 mm (A–H, J–M), 1.5 mm (I).	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA10A51FFE86FB0AFD6CB4ED.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667634/files/figure.png	https://doi.org/10.5281/zenodo.14667634	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA1EA504FC6CFF25FE2FB611.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667630/files/figure.png	https://doi.org/10.5281/zenodo.14667630	Figure 4. Gilvossius fredericqae n. sp., female holotype, pocl 4.0 mm, northwestern Gulf of Mexico, off Texas, 98 m depth (USNM 1607374 = ULLZ 17894): A, B, anterior carapace, eyes, and peduncles, lateral and dorsal; C, right mandible, internal; D, right first maxilla, external; E, right second maxilla without setae, external; F, right first maxilliped without setae, external; G, right second maxilliped, external; H, I, right third maxilliped, internal and external. Scale bars = 1.0 mm (A, B, E–G), 0.5 mm (C, D).	Figure 4. Gilvossius fredericqae n. sp., female holotype, pocl 4.0 mm, northwestern Gulf of Mexico, off Texas, 98 m depth (USNM 1607374 = ULLZ 17894): A, B, anterior carapace, eyes, and peduncles, lateral and dorsal; C, right mandible, internal; D, right first maxilla, external; E, right second maxilla without setae, external; F, right first maxilliped without setae, external; G, right second maxilliped, external; H, I, right third maxilliped, internal and external. Scale bars = 1.0 mm (A, B, E–G), 0.5 mm (C, D).	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA1EA504FC6CFF25FE2FB611.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667632/files/figure.png	https://doi.org/10.5281/zenodo.14667632	Figure 5. Gilvossius fredericqae n. sp. A, B, E–G, K, L, N, O, female holotype, pocl 4.0 mm, northwestern Gulf of Mexico, off Texas, 98 m depth (USNM 1607374 = ULLZ 17894); C, H–J, ovigerous female paratype, pocl 3.6 mm, northwestern Gulf of Mexico, off Texas, 131 m depth (USNM 1607376 = ULLZ 17903); D, juvenile male paratype, pocl 2.2 mm, northwestern Gulf of Mexico, off Texas, 125 m depth (USNM 1607379 = ULLZ 17906); M, male paratype, pocl 2.7 mm, northwestern Gulf of Mexico, off Texas, 106 m depth (USNM 1607375 = ULLZ 17495). A, major cheliped of female, right, internal; B, same, external; C, major cheliped of ovigerous female, left internal; D, major cheliped of juvenile male, internal; E, minor cheliped of female, left, external; F, second pereopod,left,external; G, third pereopod, right,external; H, fourthpereopod,right, internal; I, same, without setae,external; J, fifth pereopod, right, external; K, first pleopod, female, right, external; L, second pleopod, female, right, external; M, first pleopod, male, right, external;N, third pleopod,right, anterior; O, telson and uropods.Scale bars = 2.0mm (A–C, E, F–J,O),1.0 mm (D, K, M,N).	Figure 5. Gilvossius fredericqae n. sp. A, B, E–G, K, L, N, O, female holotype, pocl 4.0 mm, northwestern Gulf of Mexico, off Texas, 98 m depth (USNM 1607374 = ULLZ 17894); C, H–J, ovigerous female paratype, pocl 3.6 mm, northwestern Gulf of Mexico, off Texas, 131 m depth (USNM 1607376 = ULLZ 17903); D, juvenile male paratype, pocl 2.2 mm, northwestern Gulf of Mexico, off Texas, 125 m depth (USNM 1607379 = ULLZ 17906); M, male paratype, pocl 2.7 mm, northwestern Gulf of Mexico, off Texas, 106 m depth (USNM 1607375 = ULLZ 17495). A, major cheliped of female, right, internal; B, same, external; C, major cheliped of ovigerous female, left internal; D, major cheliped of juvenile male, internal; E, minor cheliped of female, left, external; F, second pereopod,left,external; G, third pereopod, right,external; H, fourthpereopod,right, internal; I, same, without setae,external; J, fifth pereopod, right, external; K, first pleopod, female, right, external; L, second pleopod, female, right, external; M, first pleopod, male, right, external;N, third pleopod,right, anterior; O, telson and uropods.Scale bars = 2.0mm (A–C, E, F–J,O),1.0 mm (D, K, M,N).	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
A83CBB79AA1EA504FC6CFF25FE2FB611.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14667634/files/figure.png	https://doi.org/10.5281/zenodo.14667634	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	Figure 6. Gilvossius setimanus s.s.(A–C), Gilvossius howellorumn. sp.(D–F),Gilvossius fredericqae n. sp.(G).A, male, preservedmajor cheliped, externalabove, internal below, prpdl 16.1 mm (USNM9238), Massachusetts; B, female, preservedmajor cheliped,external above, internal below, prpdl 16.1 mm (USNM 9238), Massachusetts; C, male, preserved major cheliped, external above, internal below,prpdl 18.6 mm, pocl15.5 mm (USNM20869), RhodeIsland; D,E, maleholotype,pre-preservation specimen in lateral views, pocl 12.4mm (USNM 1546234 =ULLZ 12183) TampaBay, westernFlorida;F, male paratype, preserved majorcheliped, external, prpdl 15.0 mm (USNM uncataloged) Anna Maria Island Causeway, western Florida; G, female holotype, preserved specimen in lateral view, pocl 4.0 mm (USNM 1607374 = ULLZ 17894) northwestern Gulf of Mexico shelf, off Texas.	2020-06-15	Felder Rafael Robles, Darryl L.		Zenodo	biologists	Felder Rafael Robles, Darryl L.			
