A new genus and species of Heroini (Perciformes: Cichlidae) from the early Eocene of southern South America Author Perez, Patricia Alano Author Malabarba, Maria Claudia Author Papa, Cecilia del text Neotropical Ichthyology 2010 2010-12-31 8 3 631 642 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000300008&lng=en&tlng=en journal article 10.1590/S1679-62252010000300008 1982-0224 5421752 Plesioheros chauliodus , new species Figs. 2-6 Holotype . CNS-V10026, an articulated individual preserved as an impression in lateral view, with the posteroventral region of the body missing ( Fig. 2 ). Locality. Alemanía , northwestern Argentina , level Faja Verde II, Lumbrera Formation, Lower Eoceno (~ 48 Ma). Diagnosis. As for the genus. Etymology. From the Greek word chauliodous (χαυλιοδουσ), meaning having large teeth, referring to the enlarged dentary teeth of the specimen. Treated as noun in apposition.