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''Oenosaurus'' is an extinct genus of sphenodontian reptile from the 
Late Jurassic
The Late Jurassic is the third Epoch (geology), epoch of the Jurassic Period, and it spans the geologic time scale, geologic time from 161.5 ± 1.0 to 143.1 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic stratum, strata.Owen ...
(Tithonian
In the geological timescale, the Tithonian is the latest age (geology), age of the Late Jurassic Epoch and the uppermost stage (stratigraphy), stage of the Upper Jurassic Series. It spans the time between 149.2 ±0.7 annum, Ma and 143.1 ±0.6 (mi ...
) aged Mörnsheim Formation
The Mörnsheim Formation is a geologic formation in Germany, near Daiting and Mörnsheim, Bavaria. It preserves fossils dating back to the Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigra ...
of Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
.
Description
The genus is known from a partial skull preserved inventral
Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...
view. The teeth in the upper and lower jaws were fused into tooth plates.
Diet and lifestyle
It is likely that ''Oenosaurus'' led adurophagous
Durophagy is the eating behavior of animals that consume hard-shelled or exoskeleton-bearing organisms, such as corals, shelled mollusks, or crabs. It is mostly used to describe fish, but is also used when describing reptiles, including fossil t ...
lifestyle as indicated by the broad tooth plates. It is unknown if this animal was aquatic or terrestrial.
Phylogeny
It is currently considered to be asapheosaur
Sapheosaurs are an Extinction, extinct group of rhynchocephalian reptiles from the Late Jurassic period. "Sapheosaurs" is an informal name for a group of rhynchocephalians closely related to the genus ''Sapheosaurus''. It was first recognized as ...
.
References
Jurassic lepidosaurs Jurassic reptiles of Europe Prehistoric reptile genera {{jurassic-reptile-stub