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Silurolepis
''Silurolepis platydorsalis'' is the, as yet, only Silurian-aged antiarch placoderm that has been described from (mostly) articulated remains. Although it has been known for several years, it was finally described by Zhang, et al, in 2010. The earliest described placoderm is the yunnanolepid antiarch, ''Shimenolepis'', from Llandovery Hunan. In contrast to ''S. platydorsalis'', ''Shimenolepis'' is known only from distinctively ornamented thoracic armor plates that bear anatomic features unique to yunnanolepids. ''S. platydorsalis'' is known from thoracic armor: as the specific name suggests, the dorsal side is very flat. ==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「Silurolepis」の詳細全文を読む
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