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Clade
Subclade

Taxon
Taxon
Orthornithes
Nominal Author
Ji and Ji 2001
2nd Nominal Author
Taxon Status INACTIVE
Comments
Potential Synonomy
Confuciusornithidae

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
A cladogram in a short paper on bird origins introduced, as labeled branch points, seven new higher taxa (Ji and Ji 2001:fig. 1). None of these taxa (Metatheropoda, Aptilonia, Eoptilonia, Chuniaoia, Dromavialae, Aerialae, Orthornithes) were given definitions or discussed further. Orthornithes was placed along a branch leading to Confuciusornis, which presumably could have been labeled with the pre-existig taxon Confuciusornithidae.
 

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