The catfishes of the neotropical family Helogenidae (Ostariophysi: Siluroidei)
Vari, R.P.; Ortega, H. (1986). The catfishes of the neotropical family Helogenidae (Ostariophysi: Siluroidei). Smithsonian Contributions to Zoology, 442. Smithsonian Institution Press: Washington. 20 pp.
Part of: Smithsonian Contributions to Zoology. Smithsonian Institution Press: Washington,. ISSN 0081-0282; e-ISSN 1943-6696, more
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