Třída: Actinopterygii - paprskoploutví
Řád: Siluriformes - sumci
Čeleď: Cetopsidae - velrybovcovití

Typový druh: Silurus coecutiens Lichtenstein, 1823

Reference: Spix, J. B. von & L. Agassiz 1829-31. Selecta genera et species piscium quos in itinere per Brasiliam annos MDCCCXVII-MDCCCXX jussu et auspiciis Maximiliani Josephi I.... colleget et pingendso curavit Dr J. B. de Spix.... Monachii. Selecta Piscium Brasiliam: Part 1: i-xvi + i-ii + 1-82, Pls. 1-48;, Part 2: 83-138, Pls. 49-101.

Přehled druhů

• Cetopsis amphiloxa (Eigenmann, 1914)
  Eigenmann, C. H., A. W. Henn & C. Wilson. 1914. New fishes from western Colombia, Ecuador, and Peru. (Contrib. Zool. Lab. Ind. Univ. No. 133.). Ind. Univ. Studies No. 19: 1-15.
• Cetopsis arcana Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis baudoensis (Dahl, 1960)
  Dahl, G.   1960. New fresh-water fishes from western Colombia. Caldasia v. 8 (no. 39): 451-484.
• Cetopsis caiapo Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis candiru (Spix & Agassiz, 1829)
  Spix, J. B. von & L. Agassiz. 1829-31. Selecta genera et species piscium quos in itinere per Brasiliam annos MDCCCXVII-MDCCCXX jussu et auspiciis Maximiliani Josephi I.... colleget et pingendso curavit Dr J. B. de Spix.... Monachii. Selecta Piscium Brasiliam: Part 1: i-xvi + i-ii + 1-82, Pls. 1-48;, Part 2: 83-138, Pls. 49-101.
• Cetopsis coecutiens Spix & Agassiz, 1829
  Lichtenstein, M. H. C. 1819. Ueber einige neue Arten von Fischen aus der Gattung Silurus. Zool. Mag. (Wiedemann) 1819, v. 1 (pt 3): 57-63.
• Cetopsis fimbriata Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis gobioides Kner, 1858
  Kner, R. 1858. Ichthyologische Beiträge. II. Abtheilung. Sitzungsber. Akad. Wiss. Wien v. 26 (s. 373): 373-448, Pls. 1-9.
• Cetopsis chalmersi Norman, 1926
  
• Cetopsis jurubidae (Fowler, 1944)
  Fowler, H. W.   1944. Fresh-water fishes from northwestern Colombia. Proc. Acad. Nat. Sci. Phila. v. 96: 227-248.
• Cetopsis montana Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis motatanensis (Schultz, 1944)
  Schultz, L. P.   1944. The catfishes of Venezuela, with descriptions of thirty-eight new forms. Proc. U. S. Natl. Mus. v. 94 (no. 3172): 173-338, Pls. 1-14.
• Cetopsis oliveirai (Lundberg & Rapp Py-Daniel, 1994)
  Lundberg, J. G. & L. Rapp Py-Daniel. 1994. Bathycetopsis oliveirai, gen. et sp. nov., a blind and depigmented catfish (Siluriformes: Cetopsidae) from the Brazilian Amazon. Copeia 1994 (no. 2): 381-390.
• Cetopsis orinoco (Schultz, 1944)
  Schultz, L. P.   1944. The catfishes of Venezuela, with descriptions of thirty-eight new forms. Proc. U. S. Natl. Mus. v. 94 (no. 3172): 173-338, Pls. 1-14.
• Cetopsis othonops (Eigenmann, 1912)
  Eigenmann, C. H. 1912. Some results from an ichthyological reconnaissance of Colombia, South America. Part I. (Contrib. Zool. Lab. Ind. Univ. No. 127.). Ind. Univ. Studies No. 16 [sic No. 8]: 1-27.
• Cetopsis parma Oliveira, Vari & Ferraris, 2001
  Oliveira, J. C. de, R. P. Vari & C. J. Ferraris, Jr.   2001. A new species of "whale catfish" (Siluriformes: Cetopsidae) from the western portions of the Amazon basin. Proc. Biol. Soc. Wash. v. 114 (no. 3): 574-578.
• Cetopsis pearsoni Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis plumbea Steindachner, 1882
  Steindachner, F. 1882. Beiträge zur Kenntniss der Flussfische Südamerika's (IV). Anz. Akad. Wiss. Wien v. 19 (no. 19): 175-180.
• Cetopsis sandrae Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis sarcodes Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis starnesi Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.
• Cetopsis umbrosa Vari, Ferraris & de Pinna, 2005
  Vari, R. P., Ferraris, C. J. Jr. & de Pinna, M. C. C. 2005. The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study. Neotropical Ichthyology, 3 (2): 127-238.

Statistické údaje

Počet druhů: 22