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Clade
Subclade

Taxon
Taxon
Archaeosuchia
Nominal Author
Romer 1966
2nd Nominal Author
Taxon Status INACTIVE
Comments
Potential Synonomy

Active Phylogenetic Definition
Active Definition
Shorthand
Definitional Author
Definition Status Unknown
Definition Type Unknown
Node-Stem Triplet Unknown
Other Triplet Taxa
Specifiers
Specifier(s) A
Specifier(s) B
Specifier(s) C
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown

Inactive Taxon Status
Rejection Criteria no definition
Critique
No definition has been proposed. Romer (1966) established this taxon, which was later used by Sill (1967) and Steel (1973) to contain the families Notochampsidae and Proterochampsidae, which were then seen as basal crocodilians. Recent cladistic analyses have shown proterochampsids to lie outside Archosauria as defined in this database (e.g. Gauthier 1986; Sereno 1991; Juul 1994; Benton 1999).
 

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