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archosaur n.【考古】祖龍。

archpriest

Experts are still unsure about the ancestry of pterosaurs . they are currently classified as belonging to a group of reptiles known as archosaurs , which include crocodiles , dinosaurs and birds 專家學者對于翼龍究竟如何演進而來仍然沒有定論。 ?們目前被分類歸在祖龍類,這一種爬蟲類包括鱷魚、恐龍和鳥類。