…They are so-called scleractinian phyla, and their sutures are based on the simplest goniatite type among ammonites, but also include more complex forms. There are two lineages: the primitive Anarcestina, which only existed in the Devonian, and its descendants, the Goniatitina and Prolecanitina, which differentiated and developed in the Carboniferous to Permian periods. They also include a special branch called the Clymeniina. … *Some of the terminology that refers to the suborder "Analcestiformes" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…いわゆる稜角石類で,縫合線はアンモナイト中最も単純なゴニアタイト型を基本型としており,これの複雑化したものも含む。原始的でデボン紀だけにいたアナルセステス亜目Anarcestinaと,この子孫で石炭紀~二畳紀に分化発達するゴニアティテス亜目Goniatitinaとプロレカニテス亜目Prolecanitinaの2系統がある。クリメニア亜目Clymeniinaという特殊な分枝も含まれる。… ※「アナルセステス亜目」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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