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''Cyrenida'' is an extinct genus of clams in the family Cyrenidae. This name is now accepted as a synonym of ''Corbicula'' Megerle von Mühlfeld, 1811 〔 Bouchet, P.; Rosenberg, G. (2015). Cyrena. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=525448 on 2015-08-26 〕 ==Species== Species within this genus include: 〔 (Fossilworks )〕〔 D. ESU and O. GIROTTI (The late Oligocene molluscan fauna from Otranto (Apulia, Southern Italy): an example of alternating freshwater, lagoonal and emerged environments ) 〕 *† ''Cyrena abbreviata'' Deshayes 1857 *† ''Cyrena cardioides'' Deshayes 1857 *† ''Cyrena consobrina'' Cailland 1823 *† ''Cyrena difficilis'' Deshayes 1860 *† ''Cyrena distincta'' Deshayes 1857 *† ''Cyrena dutemplei'' Deshayes 1857 *† ''Cyrena gravesi'' Deshayes 1824 *† ''Cyrena incompta'' Deshayes 1857 *† ''Cyrena lamberti'' Deshayes 1857 *† ''Cyrena nobilis'' Deshayes 1857 *† ''Cyrena saincenyensis'' Deshayes 1857 *† ''Cyrena sirena'' Brongniart *† ''Cyrena veneriformis'' Deshayes 1857 Fossils within this genus can be found in sediment of Europe, United States, Colombia, Peru, Panama and Tanzania from Jurassic to Quaternary (age range: 189.6 to 0.781 Ma).〔 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「Cyrenida」の詳細全文を読む スポンサード リンク
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