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Clade
Subclade

Taxon
Taxon
Stagonolepidinae
Nominal Author
Lydekker 1887
2nd Nominal Author
Huene 1942
Taxon Status ACTIVE
Comments
The active definition is a first-order revision of the intial definition (Heckert and Lucas 2000; incorrectly as Stagonolepininae) that uses species as specifiers. It is stem-based and linked with Stagonolepididae and Desmatosuchinae as a node-stem triplet.
Potential Synonomy
Stagonolepinae, Stagonolepininae

Active Phylogenetic Definition
Active Definition
The most inclusive clade containing Stagonolepis robertsoni Agassiz 1844 but not Desmatosuchus haplocerus (Cope 1892).
Shorthand
> Stagonolepis robertsoni but not Desmatosuchus haplocerus.
Definitional Author
Sereno 2005
Definition Status checked
Definition Type STEM
Node-Stem Triplet STEM
Other Triplet Taxa
Stagonolepididae, Desmatosuchinae
Specifiers
Specifier(s) A
Stagonolepis robertsoni
Specifier(s) B
Specifier(s) C
Desmatosuchus haplocerus
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
2000

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
All aetosaurs more closely related to Stagonolepis than the last common ancestor of Stagonolepis and Desmatosuchus.
Latest Record
Heckert and Lucas 2000:1551
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Stagonolepis, Desmatosuchus
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