Clade | |
Subclade |
Taxon | |
Taxon |
Psittacosauridae
|
Nominal Author | Osborn 1923 |
2nd Nominal Author | |
Taxon Status | ACTIVE |
Comments | Psittacosauridae was coined by Osborn (1923) and was redundant with the genus Psittacosaurus until the naming of Hongshanosaurus (You et al. 2003). Now there are two genera (Psittacosaurus, Hongshanosaurus) and a continuing stream of species. The taxon is here defined for the first time as stem-based with Psittacosaurus mongoliensis as the internal specifier. |
Potential Synonomy |
Active Phylogenetic Definition | |
Active Definition |
The most inclusive clade containing Psittacosaurus mongoliensis Osborn 1923 but not Triceratops horridus Marsh 1889.
|
Shorthand |
> Psittacosaurus mongoliensis but not Triceratops horridus. |
Definitional Author |
Sereno 2005 |
Definition Status | ORIGINAL |
Definition Type | STEM |
Node-Stem Triplet | NO |
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Publication Year |
Unknown Unknown Unknown 2005 |
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