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Clade
Subclade

Taxon
Taxon
Torvosauridae
Nominal Author
Jensen 1985
2nd Nominal Author
Taxon Status ACTIVE
Comments
The active definition is a first-order revision of a stem-based definition proposed by Sereno (1998). Two additional taxa (Allosaurus fragilis, Passer domesticus) are cited for exclusion to stabilize taxonomic content should Spinosauridae prove more closely related to other basal tetanurans.
Potential Synonomy

Active Phylogenetic Definition
Active Definition
The most inclusive clade containing Torvosaurus tanneri Galton and Jensen 1979 but not Spinosaurus aegypticus Stromer 1915, Allosaurus fragilis Marsh 1877, Passer domesticus (Linnaeus 1758).
Shorthand
> Torvosaurus tanneri but not Spinosaurus aegypticus, Allosaurus fragilis, Passer domesticus.
Definitional Author
Sereno 2005
Definition Status Unknown
Definition Type STEM
Node-Stem Triplet STEM
Other Triplet Taxa
Spinosauroidea, Spinosauridae
Specifiers
Specifier(s) A
Torvosaurus tanneri
Specifier(s) B
Specifier(s) C
Spinosaurus aegypticus, Allosaurus fragilis, Passer domesticus.
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
1998

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
All spinosauroids closer to Torvosaurus than to Spinosaurus.
Latest Record
Sereno 1998:64
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