The Catfishes of the Neotropical Family Helogenidae (Ostariophysi: Siluroidei) /
Vari, Richard P.
The Catfishes of the Neotropical Family Helogenidae (Ostariophysi: Siluroidei) / Richard P. Vari and Hernan Ortega. - Washington : Smithsonian Institution Press, 1986. - 20 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 442 .
The Catfishes of the Neotropical Family Helogenidae (Ostariophysi: Siluroidei) / Richard P. Vari and Hernan Ortega. - Washington : Smithsonian Institution Press, 1986. - 20 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 442 .