英语词汇“eurypterid”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

eurypterid

释义

eurypterid Palæont.|jʊəˈrɪptərɪd|
[ad. mod.L. Eurypteridæ pl., f. Eurypterus name of the typical genus, f. Gr. εὐρύ-ς broad + πτερόν feather, wing.]
One of a group of fossil Crustacea, abundant in the Silurian and Devonian periods, some of which attained a large size. The name is due to a pair of broad swimming appendages, the hindmost of a series attached to the cephalo-thorax.
1871Hartwig Subterr. W. ii. 125 Contemporaneous with the Trilobites were the Eurypterids, which vary from one foot to five or six feet in length.1873Dawson Earth & Man iv. 71 Eurypterids..with powerful limbs, long flexible bodies, and great eyes in the front of the head.

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