Euavialae (meaning "true winged birds") is a group of theropods which includes all

avialan Avialae ("bird wings") is a clade containing the only living dinosaurs, the birds. It is usually defined as all theropod dinosaurs more closely related to birds (Aves) than to deinonychosaurs, though alternative definitions are occasionally used ...

species more closely related to

modern birds Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

than to the basal, long-tailed avialans ''

Archaeopteryx ''Archaeopteryx'' (; ), sometimes referred to by its German name, "" ( ''Primeval Bird''), is a genus of bird-like dinosaurs. The name derives from the ancient Greek (''archaīos''), meaning "ancient", and (''ptéryx''), meaning "feather" ...

'' and '' Shenzhouraptor''.Ji, Q.; Ji, S.; Zhang, H.; You, H.; Zhang, J.; Wang, L.; Yuan, C. & Ji, X. (2002): A new avialan bird - ''Jixiangornis orientalis'' gen. et sp. nov. - from the Lower Cretaceous of Western Liaoning, NE China. ''Journal of Nanjing University (Natural Sciences)'' 38(6): 723-736 n Chinese with English abstract Cladogram following the results of a phylogenetic study by Lefèvre ''et al.'', 2014:

References

Avialans Extant Early Cretaceous first appearances {{Theropod-stub