| 释义 |
plesiadapoid, n. and a. Palæont.|pliːzɪˈædəpɔɪd|
[f. mod.L. name of suborder Plesiadapoidea, f. the generic name Plesiadapis (see prec.) + -oid.]
A. n. A primitive, extinct primate belonging to the suborder Plesiadapoidea.
B. adj. Of, pertaining to, or resembling an animal of this kind.
1966A. S. Romer Vertebr. Paleontol. (ed. 3) xviii. 217/2 (heading) Plesiadapoids. 1973Nature 24 Aug. 518/1 The dental characteristics distinguishing primitive Early Eocene adapids and omomyids from other Eocene mammals are present in primitive plesiadapoids. 1974B. J. Stahl Vertebrate History ix. 471 The plesiadapoids..became extinct without issue before the close of the Eocene. Ibid. 472 A change in the climate is implicated in the failure of the plesiadapoid primates to survive. |