| 释义 |
polypterid Ichthyol.|pəˈlɪptərɪd|
[f. mod.L. Polypterus (Geoffroy 1802), generic name, a. Gr. πολύπτερος many-winged (f. πολυ-, poly- + πτερόν feather, wing) + -id3.]
A fish of the family Polypteridæ of crossopterygian ganoids, having the dorsal fin replaced by a series of spines with finlets attached; now represented only by the genus Poˈlypterus of tropical African rivers. So poˈlypteroid a., akin in form to Polypterus, belonging to the sub-order Polypteroidei; n. a polypteroid fish.
1849Craig, Polypterus, a genus of fishes. 1880Ramsay in Times 26 Aug. 5/3 The nearest analogies of the fish are, according to Huxley, the polypterus of African rivers [etc.]. 1890Cent. Dict., Fin-pike, a fish of the family Polypteridæ and genus Polypterus; a polypterid. 1899Daily News 29 Nov. 7/2 Two examples of a most ancient African fish have just been deposited in the new Tortoise House at the Zoological Gardens... The name of this fish is Polypterus, and it belongs to a group which has mostly become extinct. |