" Geophagus diamantinensis, new species, is described from the Paraguaçu River basin, endemic from Chapada Dia - mantina region, Bahia state in north-eastern Brazil. It is recognized by both a tree-based and a character-based approaches for species delimitation, using mt-DNA and morphological data, respectively. Geophagus diamantinensis is distinguished from all other species of the G. brasiliensis species group by a deep urohyal bone, characters of colour pattern and head slender. In addition, Geophagus diamantinensis can be distinguished from G. itapicuruensis by having more dorsal-fin spines and from G. obscurus by having sub-terminal mouth "
Classement: Taxonomie et phylogénie, Amérique du sud.
Références bibliographiques pour l'espèce (4)
Mattos, José L & Wilson J.E.M. Costa & Alexandre C.A. Santos. 2015. "Geophagus diamantinensis, a new species of the G. brasiliensis species group from Chapada Diamantina, north-eastern Brazil (Cichlidae: Geophagini)". Ichthyological Explorations of Freshwaters. v. 26(n. 3), pp. 209-220 (crc06970) (résumé)