47326 Xenodexia ctenolepis Hubbs, 1950 Poeciliidae Poeciliids Xenodexiinae Cyprinodontiformes Teleostei Grijalva studfish Central America: Guatemala in the Finca River basin, 30 km NW of Cóban, Alta Vera Paz, in the Salbá River, tributary to the Negro River (Chixoy River) which becomes the Salinas River of the Usumacinta basin.. AMNH 24569 1963 Xenodexia ctenolepis AMNH 24578 1963 Xenodexia ctenolepis AMNH 97389 1963 Xenodexia ctenolepis AMNH 225981 1966 Xenodexia ctenolepis AMNH 225982 1966 Xenodexia ctenolepis AMNH 225983 1966 Xenodexia ctenolepis AMNH 225984 1966 Xenodexia ctenolepis AMNH 25473 1966 Xenodexia ctenolepis AMNH 225985 1971 Xenodexia ctenolepis AMNH 32149 1973 Xenodexia ctenolepis