''Heteraster'' is an extinct genus of

sea urchin Sea urchins or urchins () are echinoderms in the class (biology), class Echinoidea. About 950 species live on the seabed, inhabiting all oceans and depth zones from the intertidal zone to deep seas of . They typically have a globular body cove ...

s belonging to the family Toxasteridae. These slow-moving shallow infaunal deposit feeder-detritivores lived during the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

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.

Species

*''Heteraster oblongus'' Brongniart, 1821 *''Heteraster delgadoi'' (Loriol, 1888) *''Heteraster renevieri'' (Desor, 1858). *''Heteraster transiens'' Devries (1956) *''Heteraster tissoti'' Coquand *''Heteraster peroni'' Ficheur *''Heteraster castellon'' Natural History Museum
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References

Spatangoida Cretaceous echinoderms Cretaceous animals of Africa Fossil taxa described in 1855 Fossils of Serbia Prehistoric echinoderms of Africa {{paleo-echinoidea-stub