Reptilia - Plesiosauria - Rhomaleosauridae

Alternative combinations: Plesiosaurus zetlandi, Plesiosaurus zetlandicus

Synonyms: Plesiosaurus propinquus Tate and Blake 1876, Plesiosaurus simpsoni Blake 1876, Rhomaleosaurus thorntoni Andrews 1922, Thaumatosaurus propinquus Tate and Blake 1876

Belongs to Rhomaleosaurus according to F. R. O'Keefe 2001

See also Andrews 1922, Cruickshank 1996, Lydekker 1889, Tate and Blake 1876, Taylor 1992, Vincent and Smith 2009, Watson 1909 and Watson 1910

Sister taxa: Rhomaleosaurus cramptoni, Rhomaleosaurus megacephalus

Type specimens:

• Rhomaleosaurus zetlandicus: YORYM G503, a partial skeleton
• Plesiosaurus propinquus: WM 851.S (Whitby Museum, UK), a partial skeleton.
• Plesiosaurus simpsoni:
• Rhomaleosaurus thorntoni: BMNH R4853, a partial skeleton. Its type locality is Kingsthorpe, 'Upper Liassic', which is in a Falciferum/Bifrons marine horizon in the Whitby Mudstone Formation of the United Kingdom.

Distribution:

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Specimen images are retrieved through the ePANDDA API.