The Collaborative International Dictionary of English. 2000.
Ibero-mesornis — noun sparrow sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds • Hypernyms: ↑bird • Member Holonyms: ↑genus Ibero mesornis … Useful english dictionary
genus Ibero-mesornis — noun a genus of fossil bird of the subclass Archaeornithes • Hypernyms: ↑bird genus • Member Holonyms: ↑Archaeornithes, ↑subclass Archaeornithes • Member Meronyms: ↑Ibero mesornis … Useful english dictionary
Archaeornithes — noun primitive reptile like fossil birds of the Jurassic or early Cretaceous • Syn: ↑subclass Archaeornithes • Hypernyms: ↑class • Member Holonyms: ↑Aves, ↑class Aves • Member Meronyms: ↑ … Useful english dictionary
bird genus — noun a genus of birds • Hypernyms: ↑genus • Hyponyms: ↑genus Protoavis, ↑genus Archaeopteryx, ↑genus Archeopteryx, ↑genus Sinornis, ↑genus Ibero mesornis, ↑gen … Useful english dictionary
subclass Archaeornithes — noun primitive reptile like fossil birds of the Jurassic or early Cretaceous • Syn: ↑Archaeornithes • Hypernyms: ↑class • Member Holonyms: ↑Aves, ↑class Aves • Member Meronyms: ↑ … Useful english dictionary
