Westphaliasaurus

West-fa-lee-ah-sore-us.
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Benjamin Gutierrez

Vertebrate Paleontologist

Benjamin Gutierrez is a leading expert on dinosaurs, particularly the mighty theropods. His fieldwork in South America has uncovered new species and provided insights into dinosaur social structures.

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Name

Westphaliasaurus ‭(‬Westphalian lizard‭)‬.

Phonetic

West-fa-lee-ah-sore-us.

Named By

Schwermann‭ & ‬Sander‭ ‬-‭ ‬2011.‭

Classification

Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Plesiosauridae.

Diet

Probably‭ ‬a‭ ‬piscivore.

Species

W.‭ ‬simonsensii‭

Size

Estimated at‭ ‬4.5‭ ‬meters long.

Known locations

Germany,‭ ‬Westfalen.

Time Period

Pliensbachian of the Jurassic.

Fossil representation

Almost complete and still articulated skeleton,‭ ‬although the skull and upper cervical‭ (‬neck‭) ‬vertebrae are missing.

In Depth

       Because the skull of Westphaliasaurus is so far unknown it is impossible to say for certain what the diet of Westphaliasaurus was.‭ ‬However most of the early Jurassic plesiosaurs were dedicated hunters of fish and possibly also squid,‭ ‬prey animals that would become a staple part of the diets of plesiosaurs throughout the Mesozoic.‭ ‬Unless future discoveries prove otherwise,‭ ‬it‭’‬s reasonable to assume that Westphaliasaurus also had a similar diet.

       The species name W.‭ ‬simonsensii is in honour of S�nke Simonsen,‭ ‬the palaeontologist who discovered the remains.

Further Reading

– Osteologie und Phylogenie von Westphaliasaurus simonsensii: Ein neuer Plesiosauride (Sauropterygia) aus dem Unteren Jura (Pliensbachium) von Sommersell (Kreis H�xter), Nordrhein-Westfalen, Deutschland. – Geologie und Pal�ontologie in Westfalen 79:1-60. – L. Schwermann & P. M. Sander – 2011.

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