'Ibero-mesornis' definitions:

Definition of 'Ibero-mesornis'

(from WordNet)
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

Definition of 'Ibero-mesornis'

From: GCIDE
  • Ibero-mesornis \Ibero-mesornis\ n. A sparrow-sized fossil bird of the Lower Cretaceous having a strutlike pectoral bone and vestigial tail; found in Spain; considered possibly the third most primitive of all birds. [WordNet 1.5]

Words containing 'Ibero-mesornis'