英语词汇“Protobirds”字怎么读，Protobirds的拼音、意思释义、用法及组词造句例句翻译-英语翻译词典-学习充电-依恋情感网

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词汇	Protobirds
分类	英语词汇英语翻译词典
释义	Protobirds 英语百科 Protobird （重定向自Protobirds） "Protobird" is an informal term that has been used by some paleontologists when discussing animals that, while technically classified as non-avian dinosaurs, possess many features normally associated with birds. All protobirds are extinct. Zhou and Farlow (2001), for example, used the term "protobird" for primitive members of the clade Avialae. In this sense, protobirds would include animals like Confuciusornis, Sapeornis, and the Enantiornithes. These animals were small, flying, feathered, and closely related to birds. The authors restricted the term "bird" to refer only to Aves, which they used to mean only modern ("crown group") birds.
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