ichthyornis
.ikθi'ɒ:nis
基本解释
n. 鱼鸟
英文释义
n. An extinct genus of toothed birds found in the
American Cretaceous formation. It is remarkable for having biconcave
vertebrae, and sharp, conical teeth set in sockets. Its wings were well
developed. It is the type of the order Odontotormae.
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