单词 | cumacean |
释义 | cumaceanadj. Zoology. Of or pertaining to the Cumacea, an order of small sessile-eyed crustaceans resembling prawns, with a hard brittle carapace. Also as n. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [adjective] > of or belonging to Malacostraca > of the Thoracostraca > of or relating to Cumacea cumacean1879 the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > division Thoracostraca > order Cumacea > member of cumacean1879 1879 Ann. & Mag. Nat. Hist. 3 56 Diastylis Josephinæ..appears to be the commonest Cumacean inhabiting the deep waters between Faröe and Shetland. 1887 G. O. Sars in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XIX. ii. 4 Perhaps even some of the palæozoic forms placed among the Phyllocarida may have formed a direct transition to the Cumacean type. 1900 G. O. Sars Crustacea of Norway III. p. v The Cumacean fauna of Norway. 1902 Encycl. Brit. XXX. 479/2 According to Sars, the Sympoda (or Cumaceans), in spite of their sessile eyes, have closer affinities with the stalk-eyed orders. 1952 F. R. Allison in Scottish Naturalist LXIV. 40 Most planktonic animals, including..cumaceans..recorded in the fulmar's diet, have a vertical diurnal migration which brings them into the surface waters at night. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2018). < |
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。