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''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. 〔 ==Species== *''Heteraster oblongus'' Brogniart 1821 〔 *''Heteraster delgadoi'' (de Loriol, 1888) *''Heteraster renevieri'' (Desor, 1858). *''Heteraster transiens'' Devries (1956) *''Heteraster tissoti'' Coquand *''Heteraster peroni'' Ficheur *''Heteraster castellon'' 〔(Natural History Museum )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Heteraster」の詳細全文を読む スポンサード リンク
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