Ennatosaurus
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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