(from the article `vertebrate`) ...feathered tail; less specialized for flight; body elongated and reptilelike; forelimb had 3 clawed digits; small brain and eyes; nonpneumatic ... In the late Cretaceous also appeared the first modern birds, assigned to the infraclass Neornithes, or Carinata. Living alongside Hesperornis and ... [2 r...
Found on
http://www.britannica.com/eb/a-z/n/25
Neornithes meaning new bird) is the clade of modern birdsthat have feathers, a beak covered in horn, and a four-chambered heart. This clade includes the recent common ancestor of modern-day birds and all of the descendants.
Found on
http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
The neornithes are a subclass of bird. The metacarpals are fused, and the tail is short. Teeth are absent.
Found on
http://www.probertencyclopaedia.com/browse/BN.HTM
No exact match found.
