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Eocarcinus
''Eocarcinus praecursor'' is a Jurassic species of decapod crustacean, sufficiently distinct from its relatives to be placed in its own family (Eocarcinidae). Once considered the oldest true crab, it is now considered to be an early member of the Anomura. ==Distribution== It lived during the Pliensbachian age (Lower Jurassic), and has been found in rocks at two sites in the United Kingdom – Mickelton Tunnel (near Aston Magna), Gloucestershire and Runswick Bay, Yorkshire.
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「Eocarcinus」の詳細全文を読む
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