单词 | conchifera |
释义 | conchiferan. Zoology. With plural agreement. A division of Molluscs, the Lamellibranchiata or ordinary bivalves, as the Oyster, etc. As originally constituted by Lamarck, it included also the Brachiopoda. By Gegenbaur used to include also the Gastropoda with the exception of the Placophora or Chitons. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Conchifera > [noun] conchyliaa1620 conchifera1828 1828 J. Stark Elements Nat. Hist. II. 72 The Conchifera never crawl on a ventral disk or foot like many of the Mollusca. 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 233 The Conchifera are all enclosed in bivalved shells articulated together in a hinge-like manner..the one valve covers the right, and the other the left side of the body; a position the reverse of that of the brachiopods, where one valve is dorsal and the other ventral. 1851 S. P. Woodward Man. Mollusca i. 47 The dextral valve of the conchifera. This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2019). < n.1828 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。