Heteraster
Extinct genus of sea urchins
From Wikipedia, the free encyclopedia
Heteraster is an extinct genus of sea urchins belonging to the family Toxasteridae.
| Heteraster Temporal range: [1] | |
|---|---|
| Fossil of Heteraster oblongus from Spain | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Spatangoida |
| Family: | †Toxasteridae |
| Genus: | †Heteraster Orbigny, 1855 |
These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period. Fossils of this family have been found in the sediments of Algeria, Egypt, France, Hungary, Mexico, Peru, Portugal, Serbia and Montenegro, Spain, Switzerland and Yemen.[1]