taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892755/files/figure.png	https://doi.org/10.5281/zenodo.892755	FIGURE 2. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW, rio Tocantins at Cametá, Pará, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 2. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW, rio Tocantins at Cametá, Pará, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892757/files/figure.png	https://doi.org/10.5281/zenodo.892757	FIGURE 3. Morphological details of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Dorsal head and snout (scale bar = 30 mm). B. Mouth and nostrils (scale bar = 5 mm). C. Detail of the original pigmentation spots on the posterior pectoral fin (scale bar = 10 mm). D. Ventral view of the pelvic fins, claspers and cloaca (scale bar = 10 mm). E. Dorsal view of pelvic fins, tail origin and dorsal thorns (scale bar = 15 mm).	FIGURE 3. Morphological details of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Dorsal head and snout (scale bar = 30 mm). B. Mouth and nostrils (scale bar = 5 mm). C. Detail of the original pigmentation spots on the posterior pectoral fin (scale bar = 10 mm). D. Ventral view of the pelvic fins, claspers and cloaca (scale bar = 10 mm). E. Dorsal view of pelvic fins, tail origin and dorsal thorns (scale bar = 15 mm).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892759/files/figure.png	https://doi.org/10.5281/zenodo.892759	FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Tooth band of lower jaw. B. Tooth band of upper jaw. C. Lower jaw teeth in detail. D. Upper jaw teeth in detail. E. Denticles of cranial region. F. Dorsal tail thorns at base of tail. G. Denticles of cranial region in detail. H. Dorsal thorns at base of tail in lateral view.	FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Tooth band of lower jaw. B. Tooth band of upper jaw. C. Lower jaw teeth in detail. D. Upper jaw teeth in detail. E. Denticles of cranial region. F. Dorsal tail thorns at base of tail. G. Denticles of cranial region in detail. H. Dorsal thorns at base of tail in lateral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892761/files/figure.png	https://doi.org/10.5281/zenodo.892761	FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW) from radiographs. A. Ventral view (scale bar = 40 mm). B. Ventral view of head region (scale bar = 10 mm). C. Pelvic girdle (scale bar = 15 mm). D. Angular cartilages in detail, right side. Abbreviations: AAC, anterior angular cartilage; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRO, propterygium.	FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW) from radiographs. A. Ventral view (scale bar = 40 mm). B. Ventral view of head region (scale bar = 10 mm). C. Pelvic girdle (scale bar = 15 mm). D. Angular cartilages in detail, right side. Abbreviations: AAC, anterior angular cartilage; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRO, propterygium.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892763/files/figure.png	https://doi.org/10.5281/zenodo.892763	FIGURE 6. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW, Baia do Marajó, Colares, rio Tocantins, Pará, Brazil, 0 ° 55 ’ 34.68 ” S, 48 ° 17 ’ 25.44 ” W). A. Dorsal view; B. Ventral view.	FIGURE 6. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW, Baia do Marajó, Colares, rio Tocantins, Pará, Brazil, 0 ° 55 ’ 34.68 ” S, 48 ° 17 ’ 25.44 ” W). A. Dorsal view; B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892765/files/figure.png	https://doi.org/10.5281/zenodo.892765	FIGURE 7. Details of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Dorsal head and snout region (scale bar = 100 mm). B. Mouth and nostrils (scale bar = 15 mm). C. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows (scale bar = 50 mm). D. Ventral view of pelvic fins, claspers, and cloaca (scale bar = 50 mm).	FIGURE 7. Details of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Dorsal head and snout region (scale bar = 100 mm). B. Mouth and nostrils (scale bar = 15 mm). C. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows (scale bar = 50 mm). D. Ventral view of pelvic fins, claspers, and cloaca (scale bar = 50 mm).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892767/files/figure.png	https://doi.org/10.5281/zenodo.892767	FIGURE 8. Teeth of Potamotrygon scobina. A, C, D. Upper jaw. B. Lower jaw. A, B: MZUSP 104245 (adult male, 543 mm DW); C: MZUSP 104261 (female, 314 mm DW); D: MZUSP 104243 (adult female, 459 mm DW).	FIGURE 8. Teeth of Potamotrygon scobina. A, C, D. Upper jaw. B. Lower jaw. A, B: MZUSP 104245 (adult male, 543 mm DW); C: MZUSP 104261 (female, 314 mm DW); D: MZUSP 104243 (adult female, 459 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892769/files/figure.png	https://doi.org/10.5281/zenodo.892769	FIGURE 9. Color variation in Potamotrygon scobina. A. MZUSP 104256 (adult male, 414 mm DW). B. MZUSP 104268 (adult female, 396 mm DW). C. MZUSP 104261 (adult? female, 314 mm DW). MZUSP 104247 (adult male, 503 mm DW).	FIGURE 9. Color variation in Potamotrygon scobina. A. MZUSP 104256 (adult male, 414 mm DW). B. MZUSP 104268 (adult female, 396 mm DW). C. MZUSP 104261 (adult? female, 314 mm DW). MZUSP 104247 (adult male, 503 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892771/files/figure.png	https://doi.org/10.5281/zenodo.892771	FIGURE 10. Morphological variation in dermal denticles of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail.	FIGURE 10. Morphological variation in dermal denticles of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892773/files/figure.png	https://doi.org/10.5281/zenodo.892773	FIGURE 11. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon scobina (MZUSP 104245, adult male, 543 mm DW). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	FIGURE 11. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon scobina (MZUSP 104245, adult male, 543 mm DW). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892775/files/figure.png	https://doi.org/10.5281/zenodo.892775	FIGURE 12. Ventral lateral-line canals of Potamotrygon scobina (based on MZUSP 104245). A. Overall arrangement. B. Anterior portion in detail, left side. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	FIGURE 12. Ventral lateral-line canals of Potamotrygon scobina (based on MZUSP 104245). A. Overall arrangement. B. Anterior portion in detail, left side. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892777/files/figure.png	https://doi.org/10.5281/zenodo.892777	FIGURE 13. Skeletal anatomy (from radiographs) of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Ventral view of anterior disc. B. Ventral skull and jaws. C. Pectoral girdle. D. Angular cartilages, right side. E. Pelvic girdle. F. Pelvic fins and clasper skeleton. Abbreviations: AAC, anterior angular cartilage; AX, axial cartilage; BCO, coracoid bar; B 1, first basal segment; B 2, second basal segment; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	FIGURE 13. Skeletal anatomy (from radiographs) of Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). A. Ventral view of anterior disc. B. Ventral skull and jaws. C. Pectoral girdle. D. Angular cartilages, right side. E. Pelvic girdle. F. Pelvic fins and clasper skeleton. Abbreviations: AAC, anterior angular cartilage; AX, axial cartilage; BCO, coracoid bar; B 1, first basal segment; B 2, second basal segment; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892779/files/figure.png	https://doi.org/10.5281/zenodo.892779	FIGURE 14. Illustration of the clasper skeleton of Potamotrygon scobina (based on MZUSP 104245). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	FIGURE 14. Illustration of the clasper skeleton of Potamotrygon scobina (based on MZUSP 104245). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892815/files/figure.png	https://doi.org/10.5281/zenodo.892815	FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adult male, 560 mm DW). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adult male, 560 mm DW). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817513B29CDB6FE98675E658B.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892837/files/figure.png	https://doi.org/10.5281/zenodo.892837	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892781/files/figure.png	https://doi.org/10.5281/zenodo.892781	FIGURE 15. Holotype of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW, rio Urariquera, rio Branco basin, municipal district of Boa Vista, upper Amazon Basin, state of Roraima, Brazil, 3 ° 22 ’ 51.9594 l N, 60 ° 35 ’ 44.1594 l W). A. Dorsal view. B. Ventral view.	FIGURE 15. Holotype of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW, rio Urariquera, rio Branco basin, municipal district of Boa Vista, upper Amazon Basin, state of Roraima, Brazil, 3 ° 22 ’ 51.9594 l N, 60 ° 35 ’ 44.1594 l W). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892783/files/figure.png	https://doi.org/10.5281/zenodo.892783	FIGURE 16. Paratype of Potamotrygon adamastor, sp. nov. (MZUSP 104664, adult male, 450 mm DW rio Urariquera, rio Branco basin, municipal district of Boa Vista, upper Amazon basin, state of Roraima, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 16. Paratype of Potamotrygon adamastor, sp. nov. (MZUSP 104664, adult male, 450 mm DW rio Urariquera, rio Branco basin, municipal district of Boa Vista, upper Amazon basin, state of Roraima, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892785/files/figure.png	https://doi.org/10.5281/zenodo.892785	FIGURE 17. Morphological details of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). A. Dorsal head and snout region. B. Mouth and nostrils. C. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows. D. Ventral view of pelvic fins and cloaca. E. Dorsal view of clasper (MZUSP 104664, adult male, 450 mm DW).	FIGURE 17. Morphological details of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). A. Dorsal head and snout region. B. Mouth and nostrils. C. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows. D. Ventral view of pelvic fins and cloaca. E. Dorsal view of clasper (MZUSP 104664, adult male, 450 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892787/files/figure.png	https://doi.org/10.5281/zenodo.892787	FIGURE 18. Teeth of Potamotrygon adamastor, sp. nov (MZUSP 104664, adult male, 450 mm DW). A. Upper jaw. B. Lower jaw. Scale bar = 2 mm.	FIGURE 18. Teeth of Potamotrygon adamastor, sp. nov (MZUSP 104664, adult male, 450 mm DW). A. Upper jaw. B. Lower jaw. Scale bar = 2 mm.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892789/files/figure.png	https://doi.org/10.5281/zenodo.892789	FIGURE 19. Color variation in Potamotrygon adamastor, sp. nov. A. MZUSP 104662 (adult female, 545 mm DW). B. MZUSP 104664 (adult male, 450 mm DW).	FIGURE 19. Color variation in Potamotrygon adamastor, sp. nov. A. MZUSP 104662 (adult female, 545 mm DW). B. MZUSP 104664 (adult male, 450 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892791/files/figure.png	https://doi.org/10.5281/zenodo.892791	FIGURE 20. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon adamastor, sp. nov. (MZUSP 104664). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	FIGURE 20. Scanning Electron Microscope (SEM) images of the dermal denticles of Potamotrygon adamastor, sp. nov. (MZUSP 104664). A. Rostral region. B. Rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892793/files/figure.png	https://doi.org/10.5281/zenodo.892793	FIGURE 21. Ventral lateral-line canals of Potamotrygon adamastor, sp. nov. (based on MZUSP 104664). A. Overall arrangement. B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	FIGURE 21. Ventral lateral-line canals of Potamotrygon adamastor, sp. nov. (based on MZUSP 104664). A. Overall arrangement. B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892795/files/figure.png	https://doi.org/10.5281/zenodo.892795	FIGURE 22. Skeletal anatomy (from radiographs) of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). A. Ventral view of anterocentral disc. B. Ventral skull and jaws. C. Angular cartilages, right side. D. Ventral pectoral girdle. E. Ventral pelvic girdle and fins. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	FIGURE 22. Skeletal anatomy (from radiographs) of Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). A. Ventral view of anterocentral disc. B. Ventral skull and jaws. C. Angular cartilages, right side. D. Ventral pectoral girdle. E. Ventral pelvic girdle and fins. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892797/files/figure.png	https://doi.org/10.5281/zenodo.892797	FIGURE 23. Illustration of the clasper skeleton of Potamotrygon adamastor, sp. nov. A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	FIGURE 23. Illustration of the clasper skeleton of Potamotrygon adamastor, sp. nov. A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892835/files/figure.png	https://doi.org/10.5281/zenodo.892835	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817403B1CCDB6F95661F962E6.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892837/files/figure.png	https://doi.org/10.5281/zenodo.892837	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892799/files/figure.png	https://doi.org/10.5281/zenodo.892799	FIGURE 24. Holotype of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW, rio Jutaí, upper rio Amazonas basin, state of Amazonas, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 24. Holotype of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW, rio Jutaí, upper rio Amazonas basin, state of Amazonas, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892801/files/figure.png	https://doi.org/10.5281/zenodo.892801	FIGURE 25. Paratype of Potamotrygon amazona, sp. nov. (MZUSP 117346, adult female, 405 mm DW, rio Jutaí, upper rio Amazonas basin, state of Amazonas, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 25. Paratype of Potamotrygon amazona, sp. nov. (MZUSP 117346, adult female, 405 mm DW, rio Jutaí, upper rio Amazonas basin, state of Amazonas, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892803/files/figure.png	https://doi.org/10.5281/zenodo.892803	FIGURE 26. Morphological details of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). A. Dorsal head and snout region. B. Mouth and nostrils. C. Dorsal view of tail origin, pelvic fins, and dorsal spine rows. D. Ventral view of pelvic fins, claspers and cloaca. E. Dorsal clasper.	FIGURE 26. Morphological details of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). A. Dorsal head and snout region. B. Mouth and nostrils. C. Dorsal view of tail origin, pelvic fins, and dorsal spine rows. D. Ventral view of pelvic fins, claspers and cloaca. E. Dorsal clasper.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892805/files/figure.png	https://doi.org/10.5281/zenodo.892805	FIGURE 27. Teeth of Potamotrygon amazona, sp. nov. (MZUSP 117345) A, B. Upper jaw. C, D. Lower jaw. Scale bar = 2 mm.	FIGURE 27. Teeth of Potamotrygon amazona, sp. nov. (MZUSP 117345) A, B. Upper jaw. C, D. Lower jaw. Scale bar = 2 mm.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892807/files/figure.png	https://doi.org/10.5281/zenodo.892807	FIGURE 28. Color variation in Potamotrygon amazona, sp. nov. A. MZUSP 117347 (adult male, 560 mm DW). B. MZUSP 117345 (adult male, 584 mm DW).	FIGURE 28. Color variation in Potamotrygon amazona, sp. nov. A. MZUSP 117347 (adult male, 560 mm DW). B. MZUSP 117345 (adult male, 584 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892809/files/figure.png	https://doi.org/10.5281/zenodo.892809	FIGURE 29. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. Dorsal rostral region. B. Dorsal rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	FIGURE 29. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. Dorsal rostral region. B. Dorsal rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal caudal region. F. Dorsal caudal region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892811/files/figure.png	https://doi.org/10.5281/zenodo.892811	FIGURE 30. Ventral lateral-line canals of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. Overall arrangement; B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	FIGURE 30. Ventral lateral-line canals of Potamotrygon amazona, sp. nov. (based on MZUSP 117345) A. Overall arrangement; B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892813/files/figure.png	https://doi.org/10.5281/zenodo.892813	FIGURE 31. Skeletal anatomy (from radiographs) of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). A. Ventral view of anterior disc and jaws. B. Angular cartilages, left side. C. Pectoral girdle, ventral view. D. Tail thorns and clasper skeleton. E. Pelvic girdle and clasper. Scale bar: 10 mm. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	FIGURE 31. Skeletal anatomy (from radiographs) of Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). A. Ventral view of anterior disc and jaws. B. Angular cartilages, left side. C. Pectoral girdle, ventral view. D. Tail thorns and clasper skeleton. E. Pelvic girdle and clasper. Scale bar: 10 mm. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892815/files/figure.png	https://doi.org/10.5281/zenodo.892815	FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adult male, 560 mm DW). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	FIGURE 32. Illustration of the clasper skeleton of Potamotrygon amazona, sp. nov. (MZUSP 117347, adult male, 560 mm DW). A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892835/files/figure.png	https://doi.org/10.5281/zenodo.892835	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A817753B16CDB6FDFD6170604E.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892837/files/figure.png	https://doi.org/10.5281/zenodo.892837	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892817/files/figure.png	https://doi.org/10.5281/zenodo.892817	FIGURE 33. Holotype of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW, rio Paranã, rio Tocantins basin, state of Tocantins, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 33. Holotype of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW, rio Paranã, rio Tocantins basin, state of Tocantins, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892819/files/figure.png	https://doi.org/10.5281/zenodo.892819	FIGURE 34. Paratype of Potamotrygon garmani, sp. nov. (UNT 2178, adult female, 428 mm DW, rio Paranã, rio Tocantins basin, state of Tocantins, Brazil). A. Dorsal view. B. Ventral view.	FIGURE 34. Paratype of Potamotrygon garmani, sp. nov. (UNT 2178, adult female, 428 mm DW, rio Paranã, rio Tocantins basin, state of Tocantins, Brazil). A. Dorsal view. B. Ventral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892821/files/figure.png	https://doi.org/10.5281/zenodo.892821	FIGURE 35. Details of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). A. Dorsal head and snout. B. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows. C. Mouth and nostrils. D. Ventral view of pelvic fins, clasper and cloaca. E. Dorsal clasper.	FIGURE 35. Details of Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). A. Dorsal head and snout. B. Dorsal view of tail origin, pelvic fins, and dorsal thorn rows. C. Mouth and nostrils. D. Ventral view of pelvic fins, clasper and cloaca. E. Dorsal clasper.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892823/files/figure.png	https://doi.org/10.5281/zenodo.892823	FIGURE 36. Teeth of Potamotrygon garmani, sp. nov. (UNT 2173) A. Upper jaw (scale bar = 2 mm). B. Upper jaw (scale bar = 5 mm). C. Lower jaw (scale bar = 5 mm). D. Lower jaw (scale bar = 2 mm).	FIGURE 36. Teeth of Potamotrygon garmani, sp. nov. (UNT 2173) A. Upper jaw (scale bar = 2 mm). B. Upper jaw (scale bar = 5 mm). C. Lower jaw (scale bar = 5 mm). D. Lower jaw (scale bar = 2 mm).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892825/files/figure.png	https://doi.org/10.5281/zenodo.892825	FIGURE 37. Color variation in Potamotrygon garmani, sp. nov. A. UNT 2173 (subadult male, 405 mm DW) B. UNT 2185 (juvenile male, 273 mm DW).	FIGURE 37. Color variation in Potamotrygon garmani, sp. nov. A. UNT 2173 (subadult male, 405 mm DW) B. UNT 2185 (juvenile male, 273 mm DW).	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892827/files/figure.png	https://doi.org/10.5281/zenodo.892827	FIGURE 38. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon garmani, sp. nov. (UNT 2173). A. Dorsal rostral region. B. Dorsal rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal tail region. F. Dorsal tail region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	FIGURE 38. Scanning Electron Microscope (SEM) images of dermal denticles of Potamotrygon garmani, sp. nov. (UNT 2173). A. Dorsal rostral region. B. Dorsal rostral region in detail. C. Dorsal head region. D. Dorsal head region in detail. E. Dorsal tail region. F. Dorsal tail region in detail. Abbreviations: Bp, basal plate; Br, basal ridge; Cr, coronal ridge; Co, corona; Cd, coronal dichotomy; Cp, coronal plate.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892829/files/figure.png	https://doi.org/10.5281/zenodo.892829	FIGURE 39. Ventral lateral-line canals of Potamotrygon garmani, sp. nov. (based on UNT 2173) A. Overall arrangement. B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	FIGURE 39. Ventral lateral-line canals of Potamotrygon garmani, sp. nov. (based on UNT 2173) A. Overall arrangement. B. Anterior portion in detail. Abbreviations: ACH, angular component of hyomandibular canal; AJL, anterior jugular loop; AST, anterior subpleural tubules; CON, orbitonasal component of supraorbital canal; HYC, hyomandibular canal; IOC, infraorbital canal; IOL, infraorbital loop; JCH, jugular component of hyomandibular canal; JUG, jugular canal; NAS, nasal canal; NIL, nasointerior loop; PJL, posterior jugular loop; PNC, prenasal component of nasal canal; PNL, prenasal loop; PST, posterior subpleural tubules; SOC, supraorbital canal; SOL, suborbital loop; SOI, suborbital component of infraorbital canal; SPC, subpleural component of hyomandibular canal; SPL, subpleural loop; SRC, subrostral component of supraorbital canal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892831/files/figure.png	https://doi.org/10.5281/zenodo.892831	FIGURE 40. Skeletal anatomy (from radiographs) of Potamotrygon garmani, sp. nov. (UNT 2178, adult female, 428 mm DW). A. Ventral view of the anterior disc, jaws and pectoral girdle. Scale bar = 15 mm. B. Pelvic girdle, pelvic radials, and base of tail. Scale bar = 10 mm. C. Angular cartilages, right side. Scale bar = 5 mm. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	FIGURE 40. Skeletal anatomy (from radiographs) of Potamotrygon garmani, sp. nov. (UNT 2178, adult female, 428 mm DW). A. Ventral view of the anterior disc, jaws and pectoral girdle. Scale bar = 15 mm. B. Pelvic girdle, pelvic radials, and base of tail. Scale bar = 10 mm. C. Angular cartilages, right side. Scale bar = 5 mm. Abbreviations: AAC, anterior angular cartilage; BCO, coracoid bar; BP, basipterigium; HYO, hyomandibula; LAC, lateral angular cartilage; MC, Meckel's cartilage; MES, mesopterygium; MET, metapterygium; MSC, mesocondyle; MTC, metacondyle; PAC, posterior angular cartilage; PIB, puboischiadic bar; PQ, palatoquadrate; PRC, procondyle; PRO, propterygium.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892833/files/figure.png	https://doi.org/10.5281/zenodo.892833	FIGURE 41. Illustration of the clasper skeleton of Potamotrygon garmani, sp. nov. (based on UNT uncat.) A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	FIGURE 41. Illustration of the clasper skeleton of Potamotrygon garmani, sp. nov. (based on UNT uncat.) A. Dorsal view. B. Ventral view. Abbreviations: AT, acessory terminal; AX, axial cartilage; BE, beta cartilage; B 1, first basal segment; B 2, second basal segment; DM, dorsal marginal; DT 2, dorsal terminal 2; VM, ventral marginal; VT, ventral terminal.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892835/files/figure.png	https://doi.org/10.5281/zenodo.892835	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	FIGURE 42. Angular cartilages of species of the P. scobina complex. A. Holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). B. Potamotrygon scobina (MZUSP 104247, adult male, 503 mm DW). C. Potamotrygon adamastor, sp. nov. (MZUSP 104662, adult female, 545 mm DW). D. Potamotrygon limai (MZUSP 104068, juvenile male, 219 mm DW). E. Potamotrygon amazona, sp. nov. (MZUSP 117344, adult male, 532 mm DW). F. Potamotrygon garmani, sp. nov. (UNT 2174, adult? male, 341 mm DW). Abbreviations: AAC, anterior angular cartilage; LAC, lateral angular cartilage; PAC, posterior angular cartilage.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892837/files/figure.png	https://doi.org/10.5281/zenodo.892837	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	FIGURE 43. Distribution of species of the Potamotrygon scobina complex. Red circle: Potamotrygon scobina; red star: type locality of Potamotrygon scobina; purple diamond: Potamotrygon limai; yellow pentagon: Potamotrygon adamastor, sp. nov.; blue square: Potamotrygon amazona, sp. nov.; green triangle: Potamotrygon garmani, sp. nov.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
C55887A8177F3B09CDB6FC1F63CC61BB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/892759/files/figure.png	https://doi.org/10.5281/zenodo.892759	FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Tooth band of lower jaw. B. Tooth band of upper jaw. C. Lower jaw teeth in detail. D. Upper jaw teeth in detail. E. Denticles of cranial region. F. Dorsal tail thorns at base of tail. G. Denticles of cranial region in detail. H. Dorsal thorns at base of tail in lateral view.	FIGURE 4. Teeth and dermal denticles of the holotype of Potamotrygon scobina (MCZ- 602 s, juvenile male, 238 mm DW). A. Tooth band of lower jaw. B. Tooth band of upper jaw. C. Lower jaw teeth in detail. D. Upper jaw teeth in detail. E. Denticles of cranial region. F. Dorsal tail thorns at base of tail. G. Denticles of cranial region in detail. H. Dorsal thorns at base of tail in lateral view.	2017-12-31	João Pedro Fontenelle;Marcelo R. De Carvalho		Zenodo	biologists	João Pedro Fontenelle;Marcelo R. De Carvalho			
