Heteraster
| Heteraster Temporal range: Cretaceous | |
|---|---|
 | |
| Fossil of Heteraster oblongus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Superorder: | Atelostomata |
| Order: | Spatangoida |
| Family: | Toxasteridae |
| Genus: | Heteraster d'Orbigny, 1855 |
Heteraster is an extinct genus of sea urchins belonging to the family Toxasteridae.
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]
Species
- Heteraster oblongus Brogniart 1821 [1]
- Heteraster delgadoi (de Loriol, 1888)
- Heteraster renevieri (Desor, 1858).
- Heteraster transiens Devries (1956)
- Heteraster tissoti Coquand
- Heteraster peroni Ficheur
- Heteraster castellon