Pygostylia

Pygostylians
Temporal range:
Early Cretaceous–Present,
Fossil pygostylian (Confuciusornis sanctus)
House sparrow (Passer domesticus)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Clade: Avialae
Clade: Avebrevicauda
Paul, 2002
Clade: Pygostylia
Paul, 2002
Subgroups

Pygostylia is a group of avialans which includes the Confuciusornithidae and all of the more advanced species, the Ornithothoraces.

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