Proavis

名词 n.
中文释义

英文释义

名词 n.
  1. Any of various hypothetical extinct species or taxa that were coined in the early 20th century in an attempt to support and explain the hypothetical evolutionary steps and anatomical adaptations leading from non-avian theropod dinosaurs to birds.

词形变化

Proaves plural Pro-Avis alternative

词源

From pro- (“prior”) + Latin avis (“bird”)
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