Pygostylia
| Pygostylians | |
|---|---|
| Fossil pygostylian (Confuciusornis sanctus) | |
| House sparrow (Passer domesticus) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| 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 groups more closely related to modern birds.