Třída: Actinopterygii - paprskoploutví
Řád: Siluriformes - sumci
Čeleď: Pimelodidae - anténovcovití

Typový druh: Megalonema platycephalum Eigenmann, 1912

Reference: Eigenmann C. H. 1912. The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands. Mem. Carnegie Mus. v. 5 (no. 1). i-xxii + 1-578.

Přehled druhů

• Megalonema pauciradiatum Eigenmann, 1919
  Driver, C. S. 1919. On the Luciopimelodinae, a new subfamily of the South American Siluridae. Proc. Am. Philos. Soc. v. 58 (no. 7): 448-456, Pls. 2-3.
• Megalonema platanum (Günther, 1880)
  Günther, A. 1880. A contribution to the knowledge of the fish fauna of the Rio de la Plata. Ann. Mag. Nat. Hist. (Ser. 5) v. 6 (no. 31): 7-13, Pl. 2.
• Megalonema platycephalum Eigenmann, 1912
  Eigenmann, C. H. 1912. The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands. Mem. Carnegie Mus. v. 5 (no. 1): i-xxii + 1-578, Pls. 1-103.
• Megalonema psammium 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.
• Megalonema xanthum 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.

Statistické údaje

Počet druhů: 5