Name: Stratesaurus ‭(‬Strate lizard‭)
Phonetic: Strayt-e-sore-us.
Named By: Roger B.‭ ‬J.‭ ‬Benson,‭ ‬Mark Evans & Patrick S.‭ ‬Druckenmiller‭ ‬-‭ ‬2012.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Rhomaleosauridae.
Species: S.‭ ‬taylori‭ (‬type‭)‬.
Diet: Carnivore/Piscivore.
Size: Skull‭ ‬18‭ ‬centimetres long.
Known locations: England‭ ‬-‭ ‬Blue Lias Formation.
Time period: Hettangian of the Jurassic.
Fossil representation: Skull and partial post cranial skeleton.

       Stratesaurus represents a genus of rhomaleosaurid plesiosaur,‭ ‬a type of plesiosaur noted for having a shorter neck and proportionately larger head than other plesiosaurs,‭ ‬though not to the extent of pliosaurs.‭ ‬The discovery of Stratesaurus in Hettangian aged rocks means that individual Stratesaurus were swimming in European waters near the Triassic/Jurassic boundary,‭ ‬which in turn indicates that Stratesaurus were amongst the first known plesiosaurs,‭ ‬marine reptiles that do not appear in great numbers until slightly later in the Jurassic.

Further reading
-‭ ‬High Diversity,‭ ‬Low Disparity and Small Body Size in Plesiosaurs‭ (‬Reptilia,‭ ‬Sauropterygia‭) ‬from the Triassic–Jurassic Boundary‭ ‬-‭ ‬PLoS ONE‭ ‬7‭ (‬3‭)‬:‭ ‬e31838‭ ‬-‭ ‬Roger B.‭ ‬J.‭ ‬Benson,‭ ‬Mark Evans and Patrick S.‭ ‬Druckenmiller‭ ‬-‭ ‬2012.


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