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| image = Avitelmessus grapsoides.JPG | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis = Malacostraca | ordo = Decapoda | infraordo = Brachyura | familia = Dakoticancridae | genus =†''Avitelmessus'' | genus_authority = Rathbun, 1923〔 | species = †''A. grapsoideus'' | binomial =''Avitelmessus grapsoideus'' | binomial_authority = Rathbun, 1923 }} ''Avitelmessus grapsoideus'' is an extinct species of crab that lived during the Late Cretaceous. It is the only species in the genus ''Avitelmessus'' and is known from finds in the southeastern United States. ==Taxonomical history== ''Avitelmessus'' was described in 1923 by Mary J. Rathbun, who assigned it to the family Atelecyclidae. Martin Glaessner reassigned it to the family Dakoticancridae in 1960.〔 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「Avitelmessus」の詳細全文を読む スポンサード リンク
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