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Primelephas
''Primelephas'' is a genus of Elephantinae that existed during the Miocene and Pliocene epochs. The name of the genus suggests 'first elephant'. These primitive elephantids are hypothesised to be the common ancestor of ''Mammuthus'', the mammoths, and the closely allied genera ''Elephas'' and ''Loxodonta'', the African and Eurasian elephants, diverging some four to six million years ago. Unusual for an elephant, it had four tusks. The type species, ''Primelephas gomphotheroides'', was described by Vincent Maglio in 1970, the specific epithet indicating the fossil specimens were gomphothere-like. ''Primelephas korotorensis'' is the only other species to be assigned to the genus. ==References==
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「Primelephas」の詳細全文を読む
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