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Clade
Subclade

Taxon
Taxon
Eustreptospondylinae
Nominal Author
Paul 1988
2nd Nominal Author
Taxon Status ACTIVE
Comments
With new discoveries and redescritpion of older material, the diversity within Torvosauridae has increased in recent years. Eustreptospondylinae recognizes that diversity, with its stem-based definition anchored on Eustreptospondylus oxoniensis (Holtz et al. 2004). The definition below is a first-order revision of the initial definition that avoids the Megalosaurus bucklandi as a specifier. There is little reason to involve this speceis, when torvosaurids are now represented by taxa that are considerably more complete.
Potential Synonomy

Active Phylogenetic Definition
Active Definition
The most inclusive clade containing Eustreptopspondylus oxoniensis Walker 1964 but not Torvosaurus tanneri Galton and Jensen 1979, Spinosaurus aegyptiacus Stromer 1915, Allosaurus fragilis Marsh 1877.
Shorthand
> Eustreptopspondylus oxoniensis but not Torvosaurus tanneri, Spinosaurus aegyptiacus, Allosaurus fragilis.
Definitional Author
Sereno 2005
Definition Status checked
Definition Type STEM
Node-Stem Triplet NO
Other Triplet Taxa
Specifiers
Specifier(s) A
Eustreptopspondylus oxoniensis
Specifier(s) B
Specifier(s) C
Torvosaurus tanneri, Spinosaurus aegyptiacus, Allosaurus fragilis
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
2004

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
Eustreptospondylus oxoniensis and all taxa sharing a more recent common ancestor with it than with Megalosaurus bucklandi.
Latest Record
Holtz et al. 2004:96
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Eustreptospondylus oxoniensis, Megalosaurus bucklandi
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