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| Clade | |
| Subclade | |
| Taxon | |
| Taxon |
Diplodocidae
|
| Nominal Author | Marsh 1884 |
| 2nd Nominal Author | |
| Taxon Status | ACTIVE |
| Comments | Sereno (1998) defined the taxon as stem-based to include taxa more closely related to Diplodocus longus. It has been used in this manner since (Wilson and Upchurch 2003, Harris and Dodson 2004), and the current definition is a first-order revision of that in Sereno (1998). |
| Potential Synonomy | |
| Active Phylogenetic Definition | |
| Active Definition |
The most inclusive clade containing Diplodocus longus Marsh 1878 but not Dicraeosaurus hansemanni Janensch 1914.
|
| Shorthand |
> Diplodocus longus but not Dicraeosaurus hansemanni. |
| Definitional Author |
Sereno 2005 |
| Definition Status | checked |
| Definition Type | STEM |
| Node-Stem Triplet | STEM |
| Other Triplet Taxa |
Flagellicaudata, Dicraeosauridae |
| Specifiers | |
| Specifier(s) A |
Diplodocus longus |
| Specifier(s) B | |
| Specifier(s) C |
Dicraeosaurus hansemanni
|
| Qualifiers | |
| +Taxon | |
| -Taxon | |
| Datum | |
| Taxonomic Content | |
| Publication Year |
Unknown Unknown Unknown 1998 |
| Inactive Taxon Status | |
| Rejection Criteria | |
| Critique | |
| Definitional History #1 | |
| Earliest Record | All diplodocoids closer to Diplodocus than to Dicraeosaurus. |
| Latest Record | Sereno 1998:63 |
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| Range (My) |
Diplodocus, Dicraeosaurus |
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