Clade | |
Subclade |
Taxon | |
Taxon |
Bullatosauria
|
Nominal Author | Holtz 1994 |
2nd Nominal Author | |
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 |
no definition |
Critique | Originally, this taxon was coined by Holtz (1994) for theropods with an inflated basisphenoid, which he restricted to ornithomimids and troodontids. Nearly all subsequent analyses position these two groups at some distance within coelurosaurian phylogeny. |
Definitional History #1 | |
Earliest Record | The most recent common ancestor of Ornithomimus and Troodon and all descendants of that common ancestor. |
Latest Record | Holtz 1994: |
Range (My) | |
Range (My) |
Ornithomimus, Troodon |
Range (My) |
Definitional History #2 | |
Earliest Record | All taxa phylogenetically bracketed by Ornithomimus and Troodon. |
Latest Record | Senter et al. 2004:18 |
Range (My) | |
Range (My) |
Ornithomimus, Troodon |
Range (My) |
Definitional History #3 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #4 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #5 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #6 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #7 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #8 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #9 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |
Definitional History #10 | |
Earliest Record | |
Latest Record | |
Range (My) | |
Range (My) | |
Range (My) |