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Clade
Subclade

Taxon
Taxon
Torosauridae
Nominal Author
Nopcsa 1915
2nd Nominal Author
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
redundant
Critique
No definition has been proposed. Hay (1930) considered this taxon synonymous with Ceratopsidae, while Glut (1997) considered it essentially equivalent to Chasmosaurinae.  Nopcsa (1915:13) coined the taxon in passing; its content beyond the genus Torosaurus is uncertain.
 

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