Avebrevicauda
| Avebrevicauda | |
|---|---|
| Fossil specimen of Sapeornis chaoyangensis, Hong Kong Science Museum | |
| Eurasian blue tit (Cyanistes caeruleus) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | Euavialae |
| Clade: | Avebrevicauda Paul, 2002 |
| Subgroups | |
| |
Avebrevicauda (meaning "birds with short tails") is a group which includes all avialan species with ten or fewer free vertebrae in the tail. The group was named in 2002 by Gregory S. Paul to distinguish short-tailed avialans from their ancestors, such as Archaeopteryx, which had long, reptilian tails.
The cladogram below follows the results of a phylogenetic study by Wang et al., 2016.
| Euavialae |
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