| 释义 |
cumacean, a. Zool.|kjuːˈmeɪʃ(ɪ)ən|
[f. mod.L. Cumacea (see def.), f. Cuma genus of crustaceans, f. Gr. κῦµα (see cyme).]
Of or pertaining to the Cumacea, an order of small sessile-eyed crustaceans resembling prawns, with a hard brittle carapace. Also as n.
1879Ann. & Mag. Nat. Hist. III. 56 Diastylis Josephinæ..appears to be the commonest Cumacean inhabiting the deep waters between Faröe and Shetland. 1887G. O. Sars in Challenger Rep., 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― Crustacea of Norway III. p. v, The Cumacean fauna of Norway. 1902Encycl. 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. 1952F. 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. |