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Clade
Subclade

Taxon
Taxon
Ornithomimoidea
Nominal Author
Marsh 1890
2nd Nominal Author
Zhao 1983
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 other
Critique

Ornithomimoidea was first used by Zhao (1983:296). It was subsequently used and defined by Sereno (1999a, b) as a node-based clade composed of ornithomimids and alvarezsaurids (Sereno was unaware at the time of Zhao’s previous usage). Sereno’s use of the superfamily was predicated on using the family-level taxon Ornithomimidae to include all taxa that had been referred to Ornithomimosauria—a tradition that has largely been abandoned. In this database, Ornithomimosauria is used in this capacity, and so it no longer makes sense to use a superfamily at a more inclusive level. The taxon is available for later use within Ornithomimosauria.

Ornithomimiformes Sereno 2005 (see Ornithomimiformes) has been coined to encompass Ornithomimosauria and any other clades that are allied as sister taxa.

 

Definitional History #1
Earliest Record
Shuvuuia, Ornithomimus, their most recent common ancestor and all descendants.
Latest Record
Sereno, 1999b:2147
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Shuvuuia, Ornithomimus
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