| Meaning | 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 limbs. | |
|---|---|---|
| Member of | genus Protoavis | Extinct primitive birds of the Triassic period |
| Broader | bird | warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings |
| Spanish | protoavis | |
| Catalan | protoavis | |
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Robots