Heteraster

Heteraster is an extinct genus of sea urchins belonging to the family Toxasteridae.

Heteraster Temporal range: Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N [1]
Fossil of Heteraster oblongus from Spain
Scientific classification
Domain:	Eukaryota
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]

Species

• Heteraster oblongus Brongniart, 1821 ^[1]
• Heteraster delgadoi (Loriol, 1888)
• Heteraster renevieri (Desor, 1858).
• Heteraster transiens Devries (1956)
• Heteraster tissoti Coquand
• Heteraster peroni Ficheur
• Heteraster castellon

^[2]