单词 | rhabdopleura |
释义 | Rhabdopleuran. Zoology. A genus of colonial hemichordates of the class Pterobranchia, having two backward-curving arms bearing tentacles; (also rhabdopleura) a pterobranch of this genus.Individuals live in tubes connected by a shared stolon. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Hemichordata > [noun] > member of class Pterobranchia > member of genus Rhabdopleura Rhabdopleura1869 1869 G. J. Allman in Q. Jrnl. Microsc. Sci. 9 58 The remarkable polyzoon for which the genus Rhabdopleura has been constituted is eminently distinguished by the presence within its cœnœcium of a rigid chitinous rod. 1885 Encycl. Brit. XIX. 435/1 The dwelling of Rhabdopleura is a branched system of annulated tubes of a delicate membranous consistency, each tube corresponding to a single polypide. 1922 Proc. National Acad. Sci. U.S.A. 8 224 In the pterobranchiates (Rhabdopleura and Cephalodiscus) the formation of colonies by asexual budding is developed to a high degree. 1955 N. J. Berrill Origin Vertebr. xi. 117 Cephalodiscus, Rhabdopleura, and balanoglossids seem never to have become completely sessile forms. 1998 L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) iii. 316/2 The pterobranch Rhabdopleura is a suspension feeder, capturing food with the tentacles on its arms. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1869 |
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