| Part of Speech | Definition | |
| Noun | 1. Sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds.[Wordnet]. | |
Source: WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | Top | |
Common Expressions: Ibero-mesornis
| Expressions | Definition | ||
| Genus Ibero-mesornis | A genus of fossil bird of the subclass Archaeornithes. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
