| 释义 |
‖ Pterichthys Palæont.|pt-, təˈrɪkθɪs|
[mod.L., f. Gr. πτερόν wing + ἰχθύς fish.]
A fossil genus of fishes of the Devonian period, having a pair of wing-shaped lateral appendages.
1842H. Miller O.R. Sandst. iii. (ed. 2) 70 There are none of the fossils of the Old Red Sandstone which less resemble anything that now exists than its Pterichthys. Ibid. vi. 140 The oar-like arms of the Pterichthys and its tortoise-like plates. 1873Dawson Earth & Man v. 98.
So pteˈrichthyid, a member of the family of fishes typified by the Pterichthys.
1862Dana Man. Geol. 279 The Pterichthyids, or ‘winged fishes’..have no caudal fin for swimming, but, instead, a pair of powerful paddles. |