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Kayentachelys : ウィキペディア英語版 | Kayentachelys
''Kayentachelys'' ("Kayenta shell") is an extinct genus of stem-turtle from the Early Jurassic Kayenta Formation of northern Arizona. ''Kayentachelys'' was about wide and in length. It lived in an environment dominated by streams and dunes. == Classification == ''Kayentachelys'' was originally grouped as a primitive cryptodire and part of its own family, Kayentachelyidae. Below is the classification of ''Kayentachelys'' within Cryptodira:〔 However, later analysis showed that it was more likely to be a primitive testudinatan outside the group containing living turtles.
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「Kayentachelys」の詳細全文を読む
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