Name: Ennatosaurus ‭(‬Ninth lizard‭)‬.
Phonetic: En-nat-o-sore-us.
Named By: Efremov‭ ‬-‭ ‬1956.
Classification: Chordata,‭ ‬Synapsida,‭ ‬Pelycosauria,‭ ‬Caseasauria,‭ ‬Caseidae.
Species: E.‭ ‬tecton‭ (‬type‭)‬.
Diet: Herbivore.
Size: Adult size estimated about‭ ‬4‭ ‬meters long.
Known locations: Russia,‭ ‬Krasnoshchel‭' ‬Formation.
Time period: Capitanian to Wuchiapingian of the Permian.
Fossil representation: Remains of several individuals,‭ ‬mostly of juveniles though one adult skull is known.

       Ennatosaurus is a genus of caseid pelycosaur that in Russia during the later stages of the Permian.‭ ‬These kinds of pelycosaurs are noted for their herbivorous diets and powerful fore limbs which may have been used for digging up plants.‭ ‬The most interesting thing about Ennatosaurus is that when the first remains were found,‭ ‬several small juveniles were found clustered together with the presence of a single skull.‭ ‬Not only does this suggest that they were all buried at the same time as one another,‭ ‬but it also hints that at least some pelycosaurs stuck together in their early years and were possibly watched over by a parent.

Further reading
-‭ ‬Cranial Anatomy of Ennatosaurus tecton‭ (‬Synapsida:‭ ‬Caseidae‭) ‬from the Middle Permian of Russia and the Evolutionary Relationships of Caseidae‭ ‬-Journal of Vertebrate Paleontology‭ ‬28‭(‬1‭)‬:160-180‭ ‬-‭ ‬H.‭ ‬C.‭ ‬Maddin,‭ ‬C.‭ ‬A.‭ ‬Sidor‭ & ‬R.‭ ‬R.‭ ‬Reisz‭ ‬-‭ ‬2008.


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