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Varanosaurus

Varanosaurus
Temporal range: Early Permian, 280 Ma
Varanosaurus.jpg
Varanosaurus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Family: Ophiacodontidae
Genus: Varanosaurus
Broili, 1904
Type species
Varanosaurus acutirostris
Broili, 1904
Species
  • V. acutirostris Broili 1904 (type)
  • V. wichitaensis Romer 1937

Varanosaurus ('monitor lizard') is an extinct genus of early pelycosaur synapsid that lived during the Kungurian.

As its name implies, Varanosaurus may have looked superficially similar to present-day monitor lizards.

Varanosaurus was a small, nimble synapsid and grew up to 1–1.5 m in length with a skull length 14 cm long. It had a flattened, elongated skull and a pointed snout with a row of sharp teeth, including two pairs of conspicuous pseudocanines, implying that it was an active predator.

Varanosaurus probably lived in swamps, competing with the larger Ophiacodon for food.

Below is a cladogram modified from the analysis of Benson (2012):


Tseajaia campi

Limnoscelis paludis

Captorhinus spp.

Protorothyris archeri

Caseasauria

Ianthodon schultzei

Edaphosauridae

Sphenacodontia

Varanopidae

Archaeothyris florensis

Varanosaurus acutirostris

Ophiacodon spp.

Stereophallodon ciscoensis



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