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Clade
Subclade

Taxon
Taxon
Protoceratopsinae
Nominal Author
Granger and Gregory 1923
2nd Nominal Author
Nessov and Kaznyshkina 1989
Taxon Status INACTIVE
Comments
Potential Synonomy

Active Phylogenetic Definition
Active Definition
Shorthand
Definitional Author
Definition Status Unknown
Definition Type Unknown
Node-Stem Triplet Unknown
Other Triplet Taxa
Specifiers
Specifier(s) A
Specifier(s) B
Specifier(s) C
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown

Inactive Taxon Status
Rejection Criteria no definition
Critique
No definition has been proposed. Nessov and Kaznyshkina (1989) proposed splitting Protoceratopsidae into two subfamilies, Asiaceratopsinae and Protoceratopsinae. This classification scheme has not been followed by subsequent authors.
 

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