| 释义 |
miacid Palæont.|ˈmaɪəsɪd|
[f. mod.L. family name Miacidæ, f. the generic name Miacis (E. D. Cope 1872, in Proc. Amer. Philos. Soc. XII. 470): see -id3.]
A small, carnivorous mammal of the family Miacidæ, known from North American fossil remains of the Palæocene and Eocene epochs. Also as adj.
1966R. & D. Morris Men & Pandas viii. 191 About thirty million years ago the ancestors of all the modern carnivores appeared on the scene. These were the miacids and they were small creatures rather like present-day civets. 1972T. A. Vaughan Mammalogy xii. 194/2 Miacids were small and perhaps mostly arboreal carnivores. 1973R. F. Ewer Carnivores v. 225 It is impossible to believe that any carnivore could have evolved a dentition of miacid type without some corresponding behavioural adaptations. 1973Nature 14 Dec. 391/1 The earliest carnivora are the miacids Protictis and Ictidopappus. |