…The temporal fenestra is usually located behind the eye sockets in the skull, and its location is the basis for classification. (1) The most primitive reptiles do not have a temporal fenestra and are called the Anapsida subclass, which includes the orders Cephalosauria, Testudines, and Mesosauria. The Limnoscelis , discovered in the Early Permian strata of New Mexico, is about 1.5 meters long and has well-developed limbs, making it a typical example of primitive reptiles. *Some of the terminology explanations that mention "Anapsida" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ふつう,頭蓋の眼窩より後の部分に側頭窓が開き,その位置を大分類の基本としている。(1)最も原始的な爬虫類には側頭窓がなく,無弓亜綱Anapsidaと呼ばれ,杯竜目,カメ目,中竜目が属する。ニューメキシコ州の二畳紀前期の地層から産出したリムノスケリスLimnoscelisは全長約1.5mで四肢が発達し,原始的爬虫類の典型とされる。… ※「Anapsida」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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