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Quasipetalichthyidae : ウィキペディア英語版 | Quasipetalichthyidae
Quasipetalichthyidae is a family of primitive petalichthyid placoderms from Givetian-aged marine strata of Yunnan, China, and possibly Vietnam. The family contains two confirmed genera, ''Quasipetalichthys'', and ''Eurycaraspis'', which differ from the more advanced macropetalichthyids by having more squared skulls that have the eye sockets placed on the side of their skulls, rather than nearer to the center. More basal petalichthyids, such as ''Diandongpetalichthys'' and ''Neopetalichthys'', differ from the quasipetalichthyids by having comparatively elongated skulls. ==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「Quasipetalichthyidae」の詳細全文を読む
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