ibero-mesornis

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WORDNET DICTIONARY

Noun ibero-mesornis has 1 sense

ibero-mesornis(n = noun.animal) - sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds;

is a kind of

bird

is a member of genus ibero-mesornis

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CIDE DICTIONARY

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]

For further exploring for "ibero-mesornis" in Webster Dictionary Online