| 释义 |
ctenoid, a. Zool.|ˈtiːnɔɪd|
[ad. Gr. κτενοειδής comb-shaped: see -oid.]
1. Resembling a comb; having marginal projections like the teeth of a comb; pectinate; applied to the scales and teeth of certain fishes.
1872Nicholson Palæont. 307 Ctenoid scales..consisting of thin horny plates, but having their posterior margins fringed with spines, or cut into comb-like projections.
2. Belonging to the Ctenoidei, an order of fishes in Agassiz's classification, containing those with ctenoid scales. Also as n. A ctenoid fish. (Now disused.)
1847Ansted Anc. World x. 246 Two orders of Fishes..the Ctenoids and Cycloids. 1851Richardson Geol. viii. 285 Four fifths of the fishes now living belong to the cycloid and ctenoid orders.
Hence cteˈnoidean a. and n. = ctenoid 2.
1837W. Buckland Geol. I. 270 The Ctenoïdians have their scales jagged or pectinated, like the teeth of a comb. |