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Paramylostoma : ウィキペディア英語版 | Paramylostoma
''Paramylostoma arcualis'' is an extinct selenosteid arthrodire placoderm from the Late Famennian Cleveland Shale of Late Devonian Ohio. It has a compressed, box-like head and thoracic armor, and large, rounded orbits. However, in comparison with other selenosteids, such as ''Selenosteus'', ''P. arcualis orbits were rather small. ''P. arcualis'' had smooth jaws that suggest the animal was durophagous. ==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「Paramylostoma」の詳細全文を読む
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