01515583-n 'most primitive avian type known';
 
Chinese (simplified) 始祖鸟
English protoavis
Definitions
English
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
Japanese
これまで知られているうちで最も原始的な鳥類
第三紀に出現した絶滅種で、顎が鳥類のものと類似しており、また肢と胸の骨が中空であるが、尾と後肢は恐竜のものに類似している
Relations
Hypernym: bird
Holonym–Member: genus_protoavis
Semantic Field: animaln
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