Author: (Heckel, 1840)
Remark: zzzAT COUNTRY <i>Aequidens diadema</i> reported from Peru by Kullander (1986: 348) is a different species.
Comments: In the Jenaro Herrera region, Peru, this species occurs in streams in aguajal-like conditions, clear water quebradas and black-water quebradites (Ref. 9088).