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Pontogeneus
''Pontogeneus'' (''nomen dubium'')〔. Retrieved April 2013.〕 is a genus of extinct cetacean known from fossils recovered from Late Eocene sediments (Bartonian-Priabonian stages) of the southeastern United States. ==Classification==
When ''"Zeuglodon" brachyspondylus'' was formerly included, ''Pontogeneus'' was depicted as having a skeleton similar to that of ''Basilosaurus cetoides'', although the posterior thoracic vertebrae, the lumbar vertebrae, and the anterior caudal vertebrae had proportions closer to those seen in members of the archaeocete Subfamily Dorudontinae.
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「Pontogeneus」の詳細全文を読む
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