Copepteryx is an extinct genus of flightless bird of the family Plotopteridae endemic to Japan during the Oligocene living from 28.4—23 mya, existing for approximately 5.4 million years.
Copepteryx is a plotopterid bird.
Copepteryx was named by Olson and Hasegawa (1996). Its type is Copepteryx hexeris. It was assigned to Plotopteridae by Olson and Hasegawa (1996).
^ PaleoBiology Database: Copepteryx, basic info
Biology of Marine Birds (Marine Biology) by E. A. Schreiber and Joanna Burger
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