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Clade
Subclade

Taxon
Taxon
Thalattosuchia
Nominal Author
Fraas 1902
2nd Nominal Author
Taxon Status ACTIVE
Comments
Thalattosuchia is defined here specifically to exclude other long-snouted crocodylomoph clades, such as goniopholodids and pholidosaurids. The active definition, the first for Thalattosuchia, is stem-based, including crocodylomorphs more closely related to Geosaurus giganteus.
Potential Synonomy

Active Phylogenetic Definition
Active Definition
The most inclusive clade containing Geosaurus giganteus (Sommerring 1816) but not Goniopholis crassidens Owen 1841, Pholidosaurus schaumbergensis Meyer 1841, Crocodylus niloticus (Laurenti 1768).
Shorthand
> Geosaurus giganteus but not Goniopholis crassidens, Pholidosaurus schaumbergensis, Crocodylus niloticus.
Definitional Author
Sereno 2005
Definition Status ORIGINAL
Definition Type STEM
Node-Stem Triplet NO
Other Triplet Taxa
Specifiers
Specifier(s) A
Geosaurus giganteus
Specifier(s) B
Specifier(s) C
Goniopholis crassidens, Pholidosaurus schaumbergensis, Crocodylus niloticus
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
2005

Inactive Taxon Status
Rejection Criteria
Critique
 

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