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Clade
Subclade

Taxon
Taxon
Eusuchia
Nominal Author
Huxley 1875
2nd Nominal Author
Taxon Status ACTIVE
Comments
Brochu (1999) used Crocodylia as a specifier, whereas Brochu (2003) replaced Crocodylia with the three species. The monophyly of Crocodylia, however, is not at stake here, and the single nested species, Crocodylus niloticus, will suffice as an internal specifier. Hylaeochampsa vectiana is clearly an outgroup to any two species of extant crocodylians. The actve definition is a first-order revision of that in Brochu (1999, 2003) using species as specifiers.
Potential Synonomy

Active Phylogenetic Definition
Active Definition
The least inclusive clade containing Hylaeochampsa vectiana Owen 1874 and Crocodylus niloticus (Laurenti 1768).
Shorthand
< Hylaeochampsa vectiana and Crocodylus niloticus.
Definitional Author
Sereno 2005
Definition Status checked
Definition Type NODE
Node-Stem Triplet NO
Other Triplet Taxa
Specifiers
Specifier(s) A
Hylaeochampsa vectiana
Specifier(s) B
Crocodylus niloticus
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
Last common ancestor of Hylaeochampsa vectiana and Crocodylia and all of its descendants.
Latest Record
Brochu 1999:14
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Definitional History #2
Earliest Record
Last common ancestor of Hylaeochampsa vectiana, Gavialis gangeticus, Alligator mississippiensis, and Crocodylus niloticus and all of its descendants.
Latest Record
Brochu 2003:360
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Hylaeochampsa vectiana, Gavialis gangeticus, Alligator mississippiensis, Crocodylus niloticus
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