Spitrasaurus

Spit-rah-sore-us.
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Cassidy Wood

Paleoentomologist

Cassidy Wood uncovers the tiny yet significant world of prehistoric insects. Her research on amber-preserved specimens has revealed intricate details about ancient ecosystems.

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Name

Spitrasaurus ‭(‬Spitsbergen Travel lizard‭)‬.

Phonetic

Spit-rah-sore-us.

Named By

Espen M.‭ ‬Knutsen,‭ ‬Patrick S.‭ ‬Druckenmiller‭ & ‬J�rn H.‭ ‬Hurum‭ ‬-‭ ‬2012.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Cryptoclididae‭?

Diet

Piscivore.

Species

S.‭ ‬wensaasi‭

Size

Uncertain dur to lack of remains.

Known locations

Norway,‭ ‬Spitsbergen‭ ‬-‭ ‬Agardhfjellet Formation.

Time Period

Tithonian of the Jurassic.

Fossil representation

Partial remains of at least two individuals,‭ ‬including partial cranial remains and cervical‭ (‬neck‭) ‬vertebrae.

In Depth

       The original‭ ‬2012‭ ‬paper of the plesiosaur Spitrasaurus included the description of not one but two species for the genus.‭ ‬The type species,‭ ‬S.‭ ‬wensaasi‭ (‬PMO‭ ‬219‭ ‬718‭) ‬is described from sixty articulated cervical vertebrae believed to have come from a juvenile individual.‭ ‬S.‭ ‬larseni‭ (‬SVB‭ ‬1450‭) ‬is also known from cervical vertebrae,‭ ‬though not as well‭ ‬preserved as those of the type species,‭ ‬though S.‭ ‬larseni also has partial skull remains attributed to it.

       The genus name Spitrasaurus means‭ ‘‬Spitra lizard‭’ ‬and is based upon a portmanteau formed from Spitsbergen Travel.

Further Reading

-‭ ‬Two new species of long-necked plesiosaurians‭ (‬Reptilia:‭ ‬Sauropterygia‭) ‬from the Upper Jurassic‭ (‬Middle Volgian‭) ‬Agardhfjellet Formation of central Spitsbergen‭ ‬-‭ ‬Espen M.‭ ‬Knutsen,‭ ‬Patrick S.‭ ‬Druckenmiller‭ & ‬J�rn H.‭ ‬Hurum‭ ‬-‭ ‬2012. -‭ ‬Faunal turnover of marine tetrapods during the Jurassic-Cretaceous transition‭ ‬-‭ ‬Espen M.‭ ‬Knutsen‭ & ‬Patrick S.‭ ‬Druckenmiller‭ ‬-‭ ‬2013.

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