单词 | trochozoon |
释义 | > as lemmastrochozoon trochozoon n. Brit. /ˌtrɒkə(ʊ)ˈzəʊən/ , /ˌtrɒkə(ʊ)ˈzəʊɒn/ , U.S. /ˌtrɑkəˈzoʊˌɑn/ one of the Trochozoa, a collective term for those molluscs, annelids, etc. which pass through a trochosphere larval stage, or for such larvæ; also for a hypothetical ancestral group of animals from which these are assumed to be derived. [After scientific Latin Trochozoon (1877 or earlier).] ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > Trochozoa > [noun] > member of trochosphere1883 trochozoon1890 1890 Nature 22 May 94/1 The author's conclusions are, that the Balanoglossus..has originated from a trochozoon which acquired some features in common with worms. < as lemmas |
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