Rubidgea

Rubidgea
Temporal range: Permian
Skull of Rubidgea atrox
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Order:Therapsida
Family:†Gorgonopsidae
Tribe:†Rubidgeini
Genus:†Rubidgea
Type species
Rubidgea atrox
Broom, 1938
Synonyms

Genus-level

  • Broomicephalus Brink & Kitching, 1953
  • Titanogorgon Maisch, 2002

Species-level

  • Rubidgea kitchingi Broom, 1938
  • Rubidgea laticeps Broom, 1940
  • Gorgonognathus maximus Huene, 1950
  • Broomicephalus laticeps Brink & Kitching, 1953
  • Rubidgea majora Brink & Kitching, 1953
  • Dinogorgon (Broomicephalus) laticeps Watson & Romer, 1956
  • Titanogorgon maximus Maisch, 2002
  • Clelandina laticeps Gebauer, 2007

Rubidgea is an extinct genus of therapsids belonging to the Gorgonopsidae. It had very large canines functioning as saber-teeth, longer than the teeth of the dinosaur Tyrannosaurus rex.[1] It lived in the Permian period, specifically the Wuchiapingian stage. Rubidgea reached a length of 3.4 m (11 ft) and had a 46 cm (1.51 ft)-long skull.[2] Rubidgea was native to what is now South Africa, and based on its overall morphology, is considered to be the most robust and powerful of the gorgonopsids known. Though some of its relatives, such as the Russian Inostrancevia were as large or larger, they were far more slender in build when compared to Rubidgea.[3]

Classification

Restoration

Below is a cladogram from the phylogenetic analysis of Gebauer (2007):[4]

Gorgonopsia 

 

Aloposaurus

 
 

 

Cyonosaurus

 
 

 

Aelurosaurus

 
Gorgonopsidae

 

Scylacognathus

 
 

 

Eoarctops

 
 

Gorgonops

 
 

 

Njalila

 
 

 

Lycaenops

 
 

 

Arctognathus

 
 

 

Inostrancevia

 
Rubidgeinae

 

Aelurognathus

 
 

 

Rubidgea

 
 

 

Sycosaurus

 
 

Clelandina

 
 
 
 
 
 
 
 
 
 
 
 
 

See also

References

  1. ↑ Blaire van Valkenburgh and Ian Jenkins (2002). "Evolutionary patterns in the history of Permo-Triassic and Cenozoic synapsid predators" (PDF). Paleontological Society Papers. 8: 267–289. Archived from the original (PDF) on 2013-10-17.
  2. ↑ http://www.palaeocritti.com/by-group/gorgonopsia/rubidgea
  3. ↑ Anton, Mauricio (2013). Sabertooth.
  4. ↑ Gebauer, E.V.I. (2007). Phylogeny and evolution of the Gorgonopsia with a special reference to the skull and skeleton of GPIT/RE/7113 ('Aelurognathus?' parringtoni) (PDF) (Ph.D. thesis). Tübingen: Eberhard-Karls Universität Tübingen. pp. 1–316.


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