| 释义 |
xiphosuran, a. and n. Zool.|zɪfəʊˈsjʊərən|
[f. mod.L. Xiphosūra pl. (irreg. f. Gr. ξίϕος sword + οὐρά tail, instead of the correct form Xiphūra) + -an.]
a. adj. Belonging to the order Xiphosura of Arachnida, including the king-crab (Limulus) with a long sharp telson, and the extinct genus Belinurus.
b. n. An arachnid of this order. So ˈxiphosure (= b); xiphoˈsurous, xiˈphurous adjs. (= a).
1837Penny Cycl. IX. 460/1 Latreille..admitted into the class Crustacea 12 orders, viz., the Decapods,..the Xyphosures [sic], and the Siphonostomes. 1879H. A. Nicholson Palæont. (ed. 2) I. xviii. 385 In the Devonian no certain traces of Xiphosurans have yet been detected, but several types occur in the Carboniferous. 1888Rolleston & Jackson Anim. Life 528 A Xiphosuran is found in the upper Silurian. |