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Clade
Subclade

Taxon
Taxon
Diplodocinae
Nominal Author
Marsh 1884
2nd Nominal Author
Janensch 1929
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
Harris and Dodson used Diplodocinae without definition for a clade containing Diplodocus and Barosaurus, although evidence for this clade has not been widely supported.  Recently, Taylor and Naisch (2005:4) coined a stem-based definition for this clade using genera, but again there is no new information supporting its monophyly. As there is little evidence to support either subgroup of diplodocids suggested by these authors, the taxon is left inactive for the time being.
 

Definitional History #1
Earliest Record
Diplodocinae = (Diplodocus not Apatosaurus).
Latest Record
Taylor and Naisch 2005:4
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Diplodocus, Apatosaurus
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