Clade | |
Subclade |
Taxon | |
Taxon |
Chasmosaurinae
|
Nominal Author | Lambe 1915 |
2nd Nominal Author | |
Taxon Status | INACTIVE |
Comments | |
Potential Synonomy | Ceratopsinae |
Active Phylogenetic Definition | |
Active Definition | |
Shorthand | |
Definitional Author | |
Definition Status | Unknown |
Definition Type | Unknown |
Node-Stem Triplet | Unknown |
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Qualifiers | |
+Taxon | |
-Taxon | |
Datum | |
Taxonomic Content | |
Publication Year |
Unknown Unknown Unknown |
Inactive Taxon Status | |
Rejection Criteria |
junior synonym |
Critique | Chasmosaurinae is the more popular name for this subfamily of ceratopsids. Ceratopsinae has priority both in terms of its eponymous genus (Ceratops montanus Marsh 1888) and as a taxon with a phylogenetic definition (Sereno 1998; see Ceratopsinae). Chasmosaurinae, therefore, is not used here. Although not required, an active definition should have employed Chasmosaurus (rather than Triceratops) in any case. |
Definitional History #1 | |
Earliest Record | All members of Ceratopsidae closer to Triceratops than to Centrosaurus. |
Latest Record | Dodson et al. 2004:509 |
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Triceratops, Centrosaurus |
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