| Allenypterus Fossil range: Carboniferous | |
|---|---|
| Scientific classification
| |
|
Actinistia | |
|
Allenypterus | |
|
A. montanus | |
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.
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