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Clade
Subclade

Taxon
Taxon
Tyrannoraptora
Nominal Author
Sereno 1999b
2nd Nominal Author
Taxon Status ACTIVE
Comments

Coined and defined by Sereno (1999b), this node-based taxon depends on the position of Tyrannosauroidea relative to other coelurosaurians. As this is not well established, its taxonomic content is not particularly stable. With Tyrannosauroidea closer to Aves than Ornithomimosauria, Tyrannoraptora has identical taxonomic content to Maniraptora on most cladograms (although they are not the same as the former is node-based and the latter stem-based). With Tyrannosauroidea more distant from Aves than Ornithomimosauria, its content is distinct and more inclusive than either Maniraptora or Maniraptoriformes.

Holtz et al. (2004) provided a first-order revision of Sereno’s initial definition that used species as specifiers. The definition adopted here is a texual variant of Holtz et al. (2004).

Potential Synonomy
Maniraptora

Active Phylogenetic Definition
Active Definition
The least inclusive clade containing Tyrannosaurus rex Osborn 1905 and Passer domesticus (Linnaeus 1758).
Shorthand
< Tyrannosaurus rex and Passer domesticus.
Definitional Author
Holtz et al. 2004
Definition Status TEXTUAL SUBSTITUTION
Definition Type NODE
Node-Stem Triplet NO
Other Triplet Taxa
Specifiers
Specifier(s) A
Tyrannosaurus rex
Specifier(s) B
Passer domesticus
Specifier(s) C
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
1999

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
Tyrannosaurus, Neornithes, their most recent common ancestor and all descendants.
Latest Record
Sereno 1999b
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Tyrannosaurus, Neornithes
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Definitional History #2
Earliest Record
Tyrannosaurus rex, Passer domesticus, their most recent common ancestor and all descendants.
Latest Record
Holtz et al. 2004:107
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Tyrannosaurus rex, Passer domesticus
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