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Fig. 31. Cetopsis orinoco, INHS 60096 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 31. Cetopsis orinoco, INHS 60096, mature male, 96 mm SL; Venezuela, Yaracuy, río Tupe (10°31'N, 68°53'W).

Fig. 7 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 7. Cetopsidium orientale, holotype of Pseudocetopsis orientale, MHNG 2621.040, 27 mm SL; Suriname, Brokopondo District, Mindrineti Kreek, close to mouth of Maykaboeka Kreek, Saramacca River basin, on Gros Rosevel Mining concession (5°07'08.8"N, 55°16'59.4"W).

Fig. 42 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 42. Cetopsis sarcodes, new species, holotype, MNRJ 13024, 69 mm SL; Brazil, Goiás, Município de Minaçu/Cavalcante, rio Tocantins between site of future dam of Usina Hidroeléctrica Cana Brava and Ilha do Orgulho and Porto do Garimpo.

Fig. 32. Cetopsis orinoco, INHS 27880, 81.5 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 32. Cetopsis orinoco, INHS 27880, 81.5 mm SL; Venezuela, Barinas, Caño Curito (7°22'N, 71°05'W).

Fig. 39 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 39. Cetopsis sandrae, new species, holotype, male, MZUSP 61091, 64 mm SL; Brazil, Mato Grosso, Nova Mutum, unnamed Córrego, Fazenda Buriti (13°51'52"S, 56°11'36"W).

Fig. 38. Cetopsis plumbea, MEPN 1529, 78 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 38. Cetopsis plumbea, MEPN 1529, 78 mm SL; Ecuador, Zamora-Chinchipe, Playa del río Nangaritza, approximately 5 km upriver of Paguisha and Playa de Mayayacu Bajo (3°59'S, 78°36'W).

Fig. 41 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 41. Map of central and northern South America showing geographic distribution of Cetopsis sandrae (1 = holotype locality), Cetopsis sarcodes (2 = holotype locality), Cetopsis starnesi (3 = holotype locality), and Cetopsis umbrosa (4 = holotype locality) (some symbols represent more that one locality and/or lot of specimens).

Fig. 34 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 34. Cetopsis othonops, paratype of Hemicetopsis othonops, USNM 167853, 85.7 mm SL; Colombia, Cundinamarca, Girardot (4°18'N, 74°49'W) (dark spots on side of body are postmortem damage).

Fig. 35 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 35. Cetopsis parma, holotype, MUSM 2266, 73 mm SL; Peru, Ucayali, Provincia Coronel Portillo, río Tambo, Pucallpa, Atalaya (8°23'S, 74°32'W).

Figure 42 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 42. Ethmoid region and associated structures in Cetopsis oliveirai (MZUSP 79338). Ventral view. Anterior to top. Scale bar = 1 mm.

Figure 32. Two most parsimonious trees, A and B in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 32. Two most parsimonious trees, A and B (L = 272, CI = 54, RI = 83) of relationships among Cetopsidae and outgroups, based on matrix in Appendix 2. Note in particular alternative topologies within Cetopsidium.

Figure 31 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 31. Posterior basipterygial cartilages. Ventral views. Anterior to top. A, Cetopsis plumbea (MUSM 4201); B, C. gobioides (MZUSP 39599). Scale bars = 1 mm.

Figure 29 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 29. Posterior basipterygial cartilages. Ventral views. Anterior to top. A, Cetopsis coecutiens (MZUSP 38765); B, Cetopsis candiru (MZUSP 48102). Scale bars = 1 mm.

Figure 24 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 24. Pectoral-fin radials of Denticetopsis macilenta (AMNH 55332). Ventral view of left side. Scale bar = 1 mm.

Figure 22 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 22. Weberian apparatus of juvenile specimen of Cetopsis coecutiens (LACM 43102-3). Ventral view. Scale bar = 1 mm.

Figure 18 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 18. Weberian apparatus of Cetopsidium ferreirai (INPA 6501). Ventral view, anterior facing top. Scale bar = 1 mm.

Figure 17 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 17. Hyoid bar, branchiostegal rays, and some opercular elements of Cetopsis sandrae (MZUSP 61051). Medial view of right side. Arrows indicate comparatively smaller third and fourth branchiostegal rays. Scale bar = 1 mm.

Figure 15 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 15. Upper branchial arches in Cetopsis coecutiens (MZUSP 38765). Left side, dorsal view. Anterior to top. Scale bar = 1 mm.

Figure 14 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 14. Anterior ventral branchial-arch elements in Denticetopsis praecox (AMNH 74449SW). Dorsal view. Anterior to top. Scale bar = 1 mm.

Figure 13 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 13. Lower branchial arches in Cetopsidium morenoi (UF 26156). Dorsal view. Anterior to top. Scale bar = 1 mm.