Endemic to Japan during the Oligocene living from 28.423 mya, Copepteryx is an extinct genus of the extinct family Plotopteridae within the kingdom Animalia.
Copepteryx is an extinct genus of flightless bird of the family Plotopteridae, endemic to Japan during the Oligocene living from 28.423 mya, meaning it existed for approximately million years. Genus: Copepteryx
Olson & Hasegawa, 1996 Family: Plotopteridae Kingdom: Animalia 
