''Heteraster'' is an extinct genus of

sea urchin Sea urchins () are spiny, globular echinoderms in the class Echinoidea. About 950 species of sea urchin live on the seabed of every ocean and inhabit every depth zone from the intertidal seashore down to . The spherical, hard shells (tests) of ...

s belonging to the family

Toxasteridae ''Toxasteridae'' is an extinct family of sea urchins. These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period, from 145.5 to 61.7 Ma. Genera *''Adytaster'' *''Aphelaster'' *''Douvillaster'' *''Enallopn ...

. These slow-moving shallow infaunal deposit feeder-detritivores lived during the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...

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