…Blastoidea is an extinct class of stalked echinoderms that flourished from the Ordovician to the Permian. It was named after its shape, which resembles a plant bud. … *Some of the terminology explanations that mention "Blastoidea" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…オルドビス紀~二畳紀に栄えた有柄棘皮動物の絶滅綱Blastoidea。形が植物のつぼみに似るのでこの名がある。… ※「Blastoidea」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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