FIGURE 5. Details of the skeleton and dermal covering in Potamotrygon tigrina, n. sp., from holotype (MUSM 39978, 495 mm TL, 271 mm DL, and 258 mm DW). A) Splanchnocranium and scapular region (most of gill arches removed). B) Close-up of angular cartilage. C) Base of tail region showing arrangement of dorsal spines and denticles.Published as part of De, Marcelo R., Sabaj, Mark H. & Lovejoy, Nathan R., 2011, Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae), pp. 1-30 in Zootaxa 2827 on page 9, DOI: 10.5281/zenodo.31994
FIGURE 18. Morphological details of distal tail region in Potamotrygon schroederi, showing arrangeme...
FIGURE 15. Morphological details of Potamotrygon schroederi from Rio Negro, Brazil. A) Dorsal anteri...
FIGURE 2. Freshly captured holotype of Potamotrygon tigrina, n. sp., in dorsal view, showing live co...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 17. Skeletal features, dermal denticles and dorsal tail spines of Potamotrygon schroederi. A)...
FIGURE 1. Holotype of Potamotrygon tigrina, n. sp., in dorsal (A) and ventral (B) views (MUSM 39978,...
FIGURE 3. Morphological details of holotype of Potamotrygon tigrina, n. sp. (MUSM 39978). A) Dorsal ...
FIGURE 5. Dorsal (A) and ventral (B) views of juvenile specimen of Potamotrygon rex, sp. nov. (MZUSP...
FIGURE 4. Paratype of Potamotrygon tigrina, n. sp. in dorsal (A) and ventral (B) views (ANSP 191988,...
FIGURE 1. Holotype of Potamotrygon tigrina, n. sp., in dorsal (A) and ventral (B) views (MUSM 39978,...
FIGURE 9. Remains of holotype of Potamotrygon schroederi (MHNLS 2504, Río Apure, Boca Apurito, Orino...
FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ-602s, juvenile male, 238 mm...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 18. Morphological details of distal tail region in Potamotrygon schroederi, showing arrangeme...
FIGURE 15. Morphological details of Potamotrygon schroederi from Rio Negro, Brazil. A) Dorsal anteri...
FIGURE 2. Freshly captured holotype of Potamotrygon tigrina, n. sp., in dorsal view, showing live co...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 17. Skeletal features, dermal denticles and dorsal tail spines of Potamotrygon schroederi. A)...
FIGURE 1. Holotype of Potamotrygon tigrina, n. sp., in dorsal (A) and ventral (B) views (MUSM 39978,...
FIGURE 3. Morphological details of holotype of Potamotrygon tigrina, n. sp. (MUSM 39978). A) Dorsal ...
FIGURE 5. Dorsal (A) and ventral (B) views of juvenile specimen of Potamotrygon rex, sp. nov. (MZUSP...
FIGURE 4. Paratype of Potamotrygon tigrina, n. sp. in dorsal (A) and ventral (B) views (ANSP 191988,...
FIGURE 1. Holotype of Potamotrygon tigrina, n. sp., in dorsal (A) and ventral (B) views (MUSM 39978,...
FIGURE 9. Remains of holotype of Potamotrygon schroederi (MHNLS 2504, Río Apure, Boca Apurito, Orino...
FIGURE 5. Skeletal features of the holotype of Potamotrygon scobina (MCZ-602s, juvenile male, 238 mm...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 6. Morphological details of distal tail region in Potamotrygon tigrina, n. sp., showing arran...
FIGURE 18. Morphological details of distal tail region in Potamotrygon schroederi, showing arrangeme...
FIGURE 15. Morphological details of Potamotrygon schroederi from Rio Negro, Brazil. A) Dorsal anteri...
FIGURE 2. Freshly captured holotype of Potamotrygon tigrina, n. sp., in dorsal view, showing live co...