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Clade
Subclade

Taxon
Taxon
Albertosaurinae
Nominal Author
Currie et al. 2003
2nd Nominal Author
Taxon Status ACTIVE
Comments
Albertosaurinae was first named and defined by Currie et al. (2003). The active defnition is a first-order revision that uses species as specifiers.
Potential Synonomy

Active Phylogenetic Definition
Active Definition
The most inclusive taxon containing Albertosaurus sarcophagus Osborn 1905 but not Tyrannosaurus rex Osborn 1905.
Shorthand
> Albertosaurus sarcophagus but not Tyrannosaurus rex.
Definitional Author
Sereno 2005
Definition Status checked
Definition Type STEM
Node-Stem Triplet STEM
Other Triplet Taxa
Tyrannosauridae, Tyrannosaurrinae
Specifiers
Specifier(s) A
Albertosaurus sarcophagus
Specifier(s) B
Specifier(s) C
Tyrannosaurus rex
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
2003

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
All tyrannosaurids closer to Albertosaurus than Tyrannosaurus.
Latest Record
Currie et al. 2003:230
Range (My)
Range (My)
Albertosaurus,Tyrannosaurus
Range (My)

Definitional History #2
Earliest Record
A. sarcophagus and all taxa sharing a more recent common ancestor with it than with T. rex.
Latest Record
Holtz 2004:127
Range (My)
Range (My)
A. sarcophagus, Tyrannosaurus rex
Range (My)

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