genus ibero-mesornis

Noun
  1. A genus of fossil bird of the subclass Archaeornithes (synset 101519519)
    is a type of: bird genus - a genus of birds
    member holonym: ibero-mesornis - sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds
    belongs to: archaeornithes, subclass archaeornithes - primitive reptile-like fossil birds of the Jurassic or early Cretaceous

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