Aloposaurus

Aloposaurus is an extinct genus of gorgonopsian therapsids from the Late Permian of South Africa. It was first named by Robert Broom in 1910, and contains the type species A. gracilis, and possibly a second species A. tenuis.[1] This small gorgonopsid had a slender narrow skull only 12 centimetres (4.7 in) long, with a total body length of 60–70 cm (2.0–2.3 ft). Aloposaurus is known from a single weathered skull from a probable immature individual.[2]

Aloposaurus
Temporal range: Late Permian
Life restoration of Aloposaurus gracilis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Therapsida
Clade: †Gorgonopsia
Genus: †Aloposaurus
Broom, 1910
Species
  • †A. gracilis Broom, 1910 (type)
  • †A. tenuis (Brink and Kitching, 1953 [originally Aloposauroides tenuis])
Synonyms
  • Aloposauroides Brink and Kitching, 1953

Classification
Aloposaurus gracilis  skull restoration, specimen 5317
Aloposaurus

Below is a cladogram from the phylogenetic analysis of Gebauer (2007):[1]

Gorgonopsia 
 

Aloposaurus

 
 
 

Cyonosaurus

 
 
 

Aelurosaurus

 
Gorgonopsidae
 

Scylacognathus

 
 
 

Eoarctops

 
 

Gorgonops

 
 
 

Njalila

 
 
 

Lycaenops

 
 
 

Arctognathus

 
 
 

Inostrancevia

 
Rubidgeinae
 

Aelurognathus

 
 
 

Rubidgea

 
 
 

Sycosaurus

 
 

Clelandina

 
 
 
 
 
 
 
 
 
 
 
 
 

References
  1. 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) (Thesis). Dissertation Universität Tübingen.
  2. "Aloposaurus", palaeocritti.com.

Sources


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