Engelsk substantiv: Ibero-mesornis | |||
| 1. | Ibero-mesornis (om dyr) sparrow-sized fossil bird of the Cretaceous period having a vestigial tail; found in Spain; considered possibly the third most primitive of all birds | ||
| Mindre spesifikke uttrykk | bird | ||
| Tilhører disse overordnede uttrykkene | genus Ibero-mesornis | ||