Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Phalloceros: Greek, phallos = penis + Greek, keras = horn (Ref. 45335); enneaktinos: From the Greek enneás, meaning nine, and aktinos, meaning rays. A noun in apposition alluding to the number of dorsalfin rays..