Dicrossus foirni
Dicrossus foirni und Dicrossus warzeli
Description of Dicrossus foirni sp. n. and Dicrossus warzeli sp. n. (Teleostei: Perciformes: Cichlidae), two new cichlid species from the Rio Negro and the Rio Tapajós, Amazon drainage, Brazil
UWE RÖMER, INGO J. HAHN & PABLO M. VERGARA