Clade | |
Subclade |
Taxon | |
Taxon |
Opisthocoelicaudiinae
|
Nominal Author | McIntosh 1990 |
2nd Nominal Author | |
Taxon Status | ACTIVE |
Comments | Opisthocoelicaudiinae is the proper spelling of the family name based on Opisthocoelicaudia (ICZN 1999) and was coined by McIntosh (1990:349). Sereno (1998:63) unintentionally listed a spelling variant (Opisthocoelicaudinae). The active definition is a textual substitution from that in Wilson and Upchurch (2003), where the family name is spelled correctly. Although the definition is now clearly stated, there is some uncertainty as to its taxonomic content, given uncertain relationships among advanced titanosaurians. |
Potential Synonomy | Opisthocoelicaudinae (Sereno 1998, spelling variant) |
Active Phylogenetic Definition | |
Active Definition |
The least inclusive clade containing Opisthocoelicaudia skarzynskii Borsuk-Bialynicka 1977 but not Saltasaurus loricatus Bonaparte and Powell 1980.
|
Shorthand |
< Opisthocoelicaudia skarzynskii but not Saltasaurus loricatus. |
Definitional Author |
Wilson and Upchurch 2003 |
Definition Status | TEXTUAL SUBSTITUTION |
Definition Type | NODE |
Node-Stem Triplet | NODE |
Other Triplet Taxa |
Saltasauridae, Saltasaurinae |
Specifiers | |
Specifier(s) A |
Opisthocoelicaudia skarzynskii |
Specifier(s) B | |
Specifier(s) C |
Saltasaurus loricatus
|
Qualifiers | |
+Taxon | |
-Taxon | |
Datum | |
Taxonomic Content | |
Publication Year |
Unknown Unknown Unknown 1998 |
Inactive Taxon Status | |
Rejection Criteria | |
Critique | |
Definitional History #1 | |
Earliest Record | All saltasaurids closer to Opisthocoelicaudia than to Saltasaurus. |
Latest Record | Sereno 1998:63 |
Range (My) | |
Range (My) |
Opisthocoelicaudia, Saltasaurus |
Range (My) |
Definitional History #2 | |
Earliest Record | All saltasaurids more closely related to Opisthocoelicaudia skarzynskii (Borsuk-Bialynicka 1977) than to Saltasaurus loricatus (Bonaparte and Powell 1980). |
Latest Record | Wilson and Upchurch 2003:156 |
Range (My) | |
Range (My) |
Opisthocoelicaudia skarzynskii, Saltasaurus loricatus |
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