Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers)
鱂形目 (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines)
溪鱂科 (Rivulines) > Cynolebiinae
Etymology: coamazonicus: Derived from the Latin prefix co (close) and the Latinized word amazonicus (relative to the Amazon) referring to the close proximity of the type locality of the new species to the Amazon Forest..