…Turtles are unique among reptiles in both morphology and ecology, and are familiar to the general public, with many species kept in park ponds and homes. Their body structure has hardly changed since the Proganochelys (Sea Turtle), the ancestor of turtles, lived in the middle to late Triassic period. Most are amphibious, and some are terrestrial and marine. … *Some of the terminology that mentions "Proganochelys" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…カメ類は爬虫類仲間では形態,生態ともにユニークな存在で,一般にもなじみが深く,多くの種類が公園の池や家庭で飼育されている。体のつくりは,カメの祖先型の三畳紀中~後期に生息していたプロガノケリス類Proganochelys(サンジョウキガメ)から現在に至るまで,ほとんど変化が見られない。大半が水陸両生で一部が陸生および海生。… ※「Proganochelys」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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