| 释义 |
Sinornis
Thesaurus| Noun | 1. | Sinornis - sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail; found in China; considered possibly the second most primitive of all birdsbird - warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wingsgenus Sinornis - a genus of fossil birds |
Sinornis
Related to Sinornis: archaeopteryx, ichthyornis, utahraptor, ArchæopteryxWords related to Sinornisnoun sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tailRelated Words |