Crinoids - Crinoids

Japanese: ウミユリ綱 - うみゆりこう
Crinoids - Crinoids

…The Latin name is echino (thorny) and derma (skin). Echinoderms are divided into the subphylum stalked and stellate, with the subphylum stalked including the class crinoids and the subphylum stellate including the classes Holothuria, Asteridae, Echinoids, and Ophiuroidea. Of these, the class crinoids has a primitive body structure and flourished during the Paleozoic Era, with many types of fossils having been discovered. …

*Some of the terminology that refers to the class "Crinoidea" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ラテン名はechino(とげのある),derma(皮膚)の意。棘皮動物は有柄(ゆうへい)亜門と星形(せいけい)亜門に分けられ,有柄亜門にはウミユリ綱を,星形亜門にはナマコ綱,ヒトデ綱,ウニ綱,クモヒトデ綱などが含まれる。このうち,ウミユリ綱は原始的な体制をもち,古生代によく繁栄して,多くの種類の化石が発見される。…

※「ウミユリ綱」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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