|Named By:||W. G. Melton in 1969|
|Size:||Roughly about 15 centimetres long|
|Fossil(s):||Almost complete specimens|
|Classification:||| Chordata | Sarcopterygii | Hadronectoridae ||
Allenypterus is a genus of a prehistoric lobe-finned fish which lived during the Carboniferous period (Early Pennsylvanian to Late Mississippian, around 354-290 million years ago). Fossils have been discovered in Bear Gulch Limestone, Montana, USA.