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''Haplomastodon'' is an extinct genus of proboscidea endemic to South America during the Pleistocene from 1.810 Ma—11,000 years ago, living for approximately .〔(Paleobiology database: ''Haplomastodon'' basic info )〕 It had two tusks on either side of a trunk like other members of Gomphotheriidae. Its apparent range was from Venezuela southward to Argentina where fossils were recovered in the Suelo Formation, a quarry dig in Corrientes Province.〔B.B. Alvarez. 1974. Los Mamiferos Fosiles del Cuaternario de Arroyo Toropi, Corrientes (Argentina). Ameghiniana 11(3):295-311〕 It may have shared its habit with Notiomastodon based on genus age and geography. ==Species== *†''Haplomastodon guayasensis'' Hoffstetter 1952 *†''Haplomastodon chimborazi'' Proaño 1922 *†''Haplomastodon waringi'' Holland 1920 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「Haplomastodon」の詳細全文を読む スポンサード リンク
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