Heteropetalus
| Heteropetalus Temporal range: | |
|---|---|
| Well-preserved specimen of H. elegantulus | |
| Life restoration of H. elegantulus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Holocephali |
| Order: | †Debeeriiformes |
| Family: | †Debeeriidae |
| Genus: | †Heteropetalus Lund, 1977 |
| Species: | †H. elegantulus |
| Binomial name | |
| †Heteropetalus elegantulus Lund, 1977 | |
Heteropetalus is a genus of chondrichthyan from the Mississippian age Bear Gulch Limestone of Montana, United States. One species, H. elegantulus, is known. Known fossils of Heteropetalus are exceptionally well preserved, displaying details of the soft tissue anatomy such as an opercular cover over the gills.