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Clade
Subclade

Taxon
Taxon
Ankylosauridae
Nominal Author
Brown 1908
2nd Nominal Author
Taxon Status ACTIVE
Comments
Ankylosauridae was initially defined by Sereno (1998) using Ankylosaurus and Panoplosaurus as internal and external specifiers, respectively, and this was followed recently by Vickaryous et al. (2004). The active definition is a first-order revision that uses species as specifiers (Ankylosaurus magniventris, Panoplosaurus mirus).
Potential Synonomy
Anchylosauridae (Lydekker 1909, spelling variant), Ancylosauridae (Huene 1908, spelling variant)

Active Phylogenetic Definition
Active Definition
The most inclusive clade containing Ankylosaurus magniventris Brown 1908 but not Panoplosaurus mirus Lambe 1919.
Shorthand
> Ankylosaurus magniventris but not Panoplosaurus mirus.
Definitional Author
Sereno 1998
Definition Status checked
Definition Type STEM
Node-Stem Triplet STEM
Other Triplet Taxa
Ankylosauria, Nodosauridae
Specifiers
Specifier(s) A
Ankylosaurus magniventris
Specifier(s) B
Specifier(s) C
Panoplosaurus mirus
Qualifiers
+Taxon
-Taxon
Datum
Taxonomic Content
Publication Year Unknown
Unknown
Unknown
1998

Inactive Taxon Status
Rejection Criteria
Critique
 

Definitional History #1
Earliest Record
All ankylosaurs closer to Ankylosaurus than to Panoplosaurus.
Latest Record
Sereno 1998:61
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Ankylosaurus, Panoplosaurus
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