Cascadura

Hoplosternum is a genus of freshwater ray-finned fish belonging to the family Callichthyidae and the subfamily Callichthyinae, the armoured catfishes. The genus Holplosternum is found in southern Central America and South America. A fossil catfish has been identified as Hoplosternum sp. from the middle Miocene in the La Venta formation, Magdalena River basin, Colombia.