On the validity of Phractocephalus Agassiz, 1829, vs. Pirarara Agassiz, 1829 (Osteichthyes: Pimelodidae)
Kottelat, Maurice
Article
1989
Spixiana
12
321--321
BioStor
German
Mchen, Zoologische Staatssammlung Mchen,
BioStor: https://biostor.org/reference/67386
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