| Referência no. | Descrição | Ano | Nome utilizado | Página |
|---|---|---|---|---|
| 31402 | Swedish Museum of Natural History, 1999. Fish collection database of the Naturhistoriska riksmuseet (Swedish Museum of Natural History). Ichthyology Section, Department of Vertebrate Zoology, Swedish Museum of Natural History, Stockholm, Sweden. | 1999 | Geophagus obscurus | --> |
| 36377 | Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. | 2003 | Geophagus obscurus | --> |
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