taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297930/files/figure.png	https://doi.org/10.5281/zenodo.15297930	FIGURE 1 | Rhinotridens britskii, holotype, ZUEC 18281, 15.2 mm SL. Brazil, Amazonas State, Igarapé Boa Vista (rio Purus drainage). A. Lateral view; B. Dorsal view; C. Ventral view.	FIGURE 1 | Rhinotridens britskii, holotype, ZUEC 18281, 15.2 mm SL. Brazil, Amazonas State, Igarapé Boa Vista (rio Purus drainage). A. Lateral view; B. Dorsal view; C. Ventral view.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297932/files/figure.png	https://doi.org/10.5281/zenodo.15297932	FIGURE 2 | Scanning electron microscopy of the head and anterior part of body of Rhinotridens britskii, paratype, MZUSP 36303, 13.4 mm SL.A. Lateral view; B. Dorsal view; C. Ventral view. Scale bar = 0.1 mm.	FIGURE 2 | Scanning electron microscopy of the head and anterior part of body of Rhinotridens britskii, paratype, MZUSP 36303, 13.4 mm SL.A. Lateral view; B. Dorsal view; C. Ventral view. Scale bar = 0.1 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297934/files/figure.png	https://doi.org/10.5281/zenodo.15297934	FIGURE 3 | Upper jaw and autopalatine of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. Left anterior autopalatine cartilage damaged. Arrow indicates lateral process of autopalatine. Ap, autopalatine; LbT, labial teeth; Mx, maxilla; MxB, maxillary barbel; PmT, premaxillary teeth; Pmx, premaxilla; RcB, rictal barbel; SPT, symphyseal premaxillary teeth. Scale bar = 0.2 mm.	FIGURE 3 | Upper jaw and autopalatine of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. Left anterior autopalatine cartilage damaged. Arrow indicates lateral process of autopalatine. Ap, autopalatine; LbT, labial teeth; Mx, maxilla; MxB, maxillary barbel; PmT, premaxillary teeth; Pmx, premaxilla; RcB, rictal barbel; SPT, symphyseal premaxillary teeth. Scale bar = 0.2 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297936/files/figure.png	https://doi.org/10.5281/zenodo.15297936	FIGURE 4 | Gill arches of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; dorsal view. ABb, additional basibranchial element; Bb2-4, basibranchials 2 to 4; Cb1-5, ceratobranchials 1 to 5; Eb1- 4, epibranchials 1 to 4; Hb1-3, hypobranchials 1 to 3; Pb3-4, pharyngobranchials 3 to 4; Utp, upper pharyngeal tooth plate. Scale bar = 0.1 mm.	FIGURE 4 | Gill arches of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; dorsal view. ABb, additional basibranchial element; Bb2-4, basibranchials 2 to 4; Cb1-5, ceratobranchials 1 to 5; Eb1- 4, epibranchials 1 to 4; Hb1-3, hypobranchials 1 to 3; Pb3-4, pharyngobranchials 3 to 4; Utp, upper pharyngeal tooth plate. Scale bar = 0.1 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297938/files/figure.png	https://doi.org/10.5281/zenodo.15297938	FIGURE 5 | Neurocranium and associated structures of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; A. Lateral view; B. Dorsal view; C. Ventral view. Boc, basioccipital; Ep, epioccipital; Fr, frontal; Le, lateral ethmoid; Me, mesethmoid; Osph, orbitosphenoid; Psph, parasphenoid; Psoc, parietosupraoccipital; Ptscl, postemporo-supracleithrum; Pro, prootic; Pt, pterotic; Sph, sphenotic-prooticpterosphenoid; Vo, vomer; WeC, Weberian capsule. Scale bar = 0.5 mm.	FIGURE 5 | Neurocranium and associated structures of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; A. Lateral view; B. Dorsal view; C. Ventral view. Boc, basioccipital; Ep, epioccipital; Fr, frontal; Le, lateral ethmoid; Me, mesethmoid; Osph, orbitosphenoid; Psph, parasphenoid; Psoc, parietosupraoccipital; Ptscl, postemporo-supracleithrum; Pro, prootic; Pt, pterotic; Sph, sphenotic-prooticpterosphenoid; Vo, vomer; WeC, Weberian capsule. Scale bar = 0.5 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297940/files/figure.png	https://doi.org/10.5281/zenodo.15297940	FIGURE 6 | Scanning electron microscopy of the opercular region of Rhinotridens britskii, paratype, MZUSP 36303, 13.4 mm SL. Arrows indicate opercular odontodophore (dorsally) and interopercular odontodophore (ventrally). Scale bar = 0.1 mm.	FIGURE 6 | Scanning electron microscopy of the opercular region of Rhinotridens britskii, paratype, MZUSP 36303, 13.4 mm SL. Arrows indicate opercular odontodophore (dorsally) and interopercular odontodophore (ventrally). Scale bar = 0.1 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297942/files/figure.png	https://doi.org/10.5281/zenodo.15297942	FIGURE 7 | Suspensorium and opercular series of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; left lateral view. Arrow indicates distal process of hyomandibula. Hy, hyomandibular; Iop, interopercle; Op, opercle; Pop, preopercle; Qd, quadrate. Scale bar = 0.2 mm.	FIGURE 7 | Suspensorium and opercular series of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; left lateral view. Arrow indicates distal process of hyomandibula. Hy, hyomandibular; Iop, interopercle; Op, opercle; Pop, preopercle; Qd, quadrate. Scale bar = 0.2 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297944/files/figure.png	https://doi.org/10.5281/zenodo.15297944	FIGURE 8 | Hyoid arch of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. AC, anterior ceratohyal; Br, branchiostegal rays; PC, posterior ceratohyal; Uh, urohyal; VH, ventral hypohyal. Scale bar = 0.2 mm.	FIGURE 8 | Hyoid arch of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. AC, anterior ceratohyal; Br, branchiostegal rays; PC, posterior ceratohyal; Uh, urohyal; VH, ventral hypohyal. Scale bar = 0.2 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297946/files/figure.png	https://doi.org/10.5281/zenodo.15297946	FIGURE 9 | Pectoral skeleton of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. Cle, cleithrum; Pcr, pectoral-fin rays; Pr1-2, proximal radials 1-2; Sco, scapulocoracoid. Scale bar = 0.3 mm.	FIGURE 9 | Pectoral skeleton of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL; ventral view. Cle, cleithrum; Pcr, pectoral-fin rays; Pr1-2, proximal radials 1-2; Sco, scapulocoracoid. Scale bar = 0.3 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297948/files/figure.png	https://doi.org/10.5281/zenodo.15297948	FIGURE 10 | Pelvic girdle and fin of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL. Arrows indicate ossified tips of basipterygium arms. Bpt, basipterygium; Pvr, pelvic-fin rays. Scale bar = 0.2 mm.	FIGURE 10 | Pelvic girdle and fin of Rhinotridens britskii, paratype, MZUSP 129867, 15.2 mm SL. Arrows indicate ossified tips of basipterygium arms. Bpt, basipterygium; Pvr, pelvic-fin rays. Scale bar = 0.2 mm.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297950/files/figure.png	https://doi.org/10.5281/zenodo.15297950	FIGURE 11 | Geographic distribution of Rhinotridens britskii. Dotted circle, holotype; white circle, paratypes and non-type specimens.	FIGURE 11 | Geographic distribution of Rhinotridens britskii. Dotted circle, holotype; white circle, paratypes and non-type specimens.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
EF1E9542FF4DFFFCFCDBE51EFAE1C3F6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/15297952/files/figure.png	https://doi.org/10.5281/zenodo.15297952	FIGURE 12 | Type-locality of Rhinotridens britskii, igarapé Boa Vista (rio Javari drainage), Atalaia do Norte Municipality. Photo by Flávio C. T. Lima.	FIGURE 12 | Type-locality of Rhinotridens britskii, igarapé Boa Vista (rio Javari drainage), Atalaia do Norte Municipality. Photo by Flávio C. T. Lima.	2024-07-22	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio		Zenodo	biologists	de Pinna, Mário;Reis, Vinícius;Pastana, Murilo N. L.;Datovo, Aléssio			
