| NOUN | animal | Sinornis | sparrow-sized fossil bird of the Jurassic period to the Cretaceous period having a keeled breastbone and vestigial tail |
|---|
| Meaning | 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 birds. | |
|---|---|---|
| Member of | genus Sinornis | A genus of fossil birds |
| Broader | bird | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings |
©2001-24 · HyperDic hyper-dictionary · Contact
English |
Spanish |
Catalan
Privacy |
Robots