| 单词 |
protoavis |
| 释义 |
protoavis
protoavis (ˌprəʊtəʊˈeɪvɪs) n (Palaeontology) a bird-like creature from the late Triassic periodThesaurus| Noun | 1. | protoavis - most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbsbird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wingsgenus Protoavis - extinct primitive birds of the Triassic period; 70 million years before archaeopteryx |
Protoavis
Protoavis a controversial fossil from the Triassic, thought by some to be a bird. Its existence some 75 million years before ARCHAEOPTERYX in itself gives cause for some doubt.protoavis
Related to protoavis: archeopteryxWords related to protoavisnoun most primitive avian type knownRelated Words |
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