“chætognath”的英文意思_释义_用法

单词

chætognath

释义

chætognath|ˈkiːtɒgnæθ|
[f. mod.L. Chætognatha, neut. pl. of chætognathus, f. Gr. χαίτη (see chæta) + γνάθος jaw.]
A member of the Chætognatha, a phylum of small enterocœlous marine planktonic animals having two rows of stout spines on the head and a single row of sickle-shaped setæ or jaws; an arrow-worm.
1889in Cent. Dict.1896A. E. Shipley in Harmer & Shipley Cambr. Nat. Hist. II. 191 S[agitta] hexaptera is the largest Chaetognath known.1962D. Nichols Echinoderms x. 131 Other lesser phyla of the coelomates with three pairs of coelomic sacs, such as the chaetognaths.

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