Petrocephalus microphthalmus Pellegrin, 1908 sec. Eschmeyer 2004 Dataset Global Names Usage Bank Classification class Actinopterygii order Osteoglossiformes family Mormyridae Name Homonyms Petrocephalus microphthalmus Pellegrin, 1908 sec. Eschmeyer 2004 Petrocephalus microphthalmus Pellegrin, 1908 Petrocephalus microphthalmus Pellegrin, 1908 sec. Pellegrin 1908 Petrocephalus microphthalmus Pellegrin, 1908