Name: Mycterosaurus.
Phonetic: Mik-teh-roe-sore-us.
Named By: Samuel Wendell Williston‭ ‬-‭ ‬1915.
Synonyms: Basicranodon,‭ ‬Eumatthevia.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Synapsida,‭ ‬Pelycosauria,‭ ‬Varanopidae, Mycterosaurinae.
Species: M.‭ ‬longiceps‭ (‬type‭)‬.
Diet: Carnivore/Insectivore.
Size: About‭ ‬60‭ ‬centimetres long.
Known locations: USA,‭ ‬Colorado‭ ‬-‭ ‬Waggoner Ranch Formation,‭ ‬Oklahoma‭ ‬-‭ ‬Cutler Formation and Texas‭ ‬-‭ ‬Garber Formation.
Time period: Artinskian to Kungurian of the Permian.
Fossil representation: Several individuals.

       Mycterosaurus was a varanopid pelycosaur that lived in the USA during the Permian.‭ ‬The small size of Mycterosaurus is suggestive that this genus was as predator of small vertebrates and possible larger invertebrates.‭ ‬As a member of the Varanopidae,‭ ‬Mycterosaurus would have been a relative of such genera as Varanops,‭ ‬Varanodon and Varanosaurus.

Further reading
-‭ ‬A New Genus and Species of American Theromorpha:‭ ‬Mycterosaurus longiceps.‭ ‬-‭ ‬Journal of Geology‭ ‬23‭(‬6‭)‬:554-559‭ ‬-‭ ‬Samuel Wendell Williston‭ ‬-‭ ‬1915.
- Restudy of Mycterosaurus longiceps (Reptilia, Pelycosauria) From the Lower Permian of Texas. - Annals of Carnegie Museum. 51: 423–453. - David S. Berman & Robert R. Reisz - 1982.
- A Re-Description of 'Mycterosaurus' smithae, an Early Permian Eothyridid, and Its Impact on the Phylogeny of Pelycosaurian-Grade Synapsids. - PLOS ONE. 11 (6). - Neil Brocklehurst, Robert R. Reisz, Vincent Fernandez & Jörg Fröbisch - 2016.


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