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Asterosteus
''Asterosteus'' is genus of rhenanid placoderm from the Eifelian. The type species, ''A. stenocephalus'', is known from an incomplete skull from Middle Devonian strata of Ohio. What may be a second species ("''Asterosteus sp'' Schmidtt 1963") is described from fragments decorated with star-shaped tubercules from the Eifelian-aged Gebze beds of Turkey. ==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「Asterosteus」の詳細全文を読む
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