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Arizonasaurus : ウィキペディア英語版 | Arizonasaurus
''Arizonasaurus'' was a ctenosauriscid archosaur from the Middle Triassic (243 million years ago).〔 ''Arizonasaurus'' is found in the Middle Triassic Moenkopi Formation of northern Arizona. A fairly complete skeleton was found in 2002 by Sterling Nesbitt. The taxon has a large sailback formed by elongate neural spines of the vertebrae. The type species, ''Arizonasaurus babbitti'', was named by Samuel Paul Welles in 1947. ==Discovery and naming== The type species, ''Arizonasaurus babbitti'', was named by Samuel Paul Welles in 1947 on the basis of a few teeth and a maxilla, labelled as specimen UCMP 36232.〔 A fairly complete skeleton was found in 2002 by Sterling Nesbitt.〔
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「Arizonasaurus」の詳細全文を読む
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