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.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0