Caenotropus schizodon, a new chilodontid fish from the Rio Tapajos drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae). Author Alexandre Scharcansky Author Carlos Alberto Santos de Lucena text Zootaxa 2007 1557 59 66 http://www.zoobank.org/urn:lsid:zoobank.org:pub:2C27E612-8460-4171-8E8C-F22DAF7F1228 journal article z01557p059 2C27E612-8460-4171-8E8C-F22DAF7F1228 [[ Caenotropus Guenther ]] Caenotropus is a small genus with three valid species: C. labyrinthicus Kner widely distributed in the Rio Amazonas and Rio Orinoco basins, the upper Rio Essequibo, the Saramaca and Suriname Rivers, and the Rio Parnaiba , northeastern Brazil; C. maculosus Eigenmann from the Guianas, and C. mestomorgmatos Vari, Castro, and Raredon from the middle Rio Negro, Brazil and Venezuela, and upper Rio Orinoco in southern Venezuela (Vari and Raredon, 2003).