Makhaira

Mak-hye-rah.
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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

Makhaira ‭(‬named after a type of Ancient greek sword/large knife,‭ ‬with a backwards curving blade‭)‬.

Phonetic

Mak-hye-rah.

Named By

V.‭ ‬Fischer,‭ ‬M.‭ ‬S.‭ ‬Arkhangelsky,‭ ‬I.‭ ‬M.‭ ‬Stenshin,‭ ‬G.‭ ‬N.‭ ‬Uspensky,‭ ‬N.‭ ‬G.‭ ‬Zverkov‭ & ‬R.‭ ‬B.‭ ‬J.‭ ‬Benson‭ ‬-‭ ‬2015.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Sauropterygia,‭ ‬Plesiosauria,‭ ‬Pliosauridae,‭ ‬Brachaucheninae‭?

Diet

Carnivore/Piscivore.

Species

M.‭ ‬rossica‭

Size

Uncertain due to lack of remains,‭ ‬but very roughly estimated to be about‭ ‬5‭ ‬meters long.

Known locations

Russia,‭ ‬Ulyanovsk Oblast.

Time Period

Hauterivian of the Cretaceous.

Fossil representation

Tips of upper and lower jaws,‭ ‬as well as partial dorsal‭ (‬back‭) ‬vertebrae and partial pelvic bones.

In Depth

       Makhaira is a genus of pliosaur that lived in waters that once submerged parts of Russia during the early Cretaceous.‭ ‬Due to lack of fossil material,‭ ‬little is known about the overall details of Makhaira.‭ ‬But these remains seem to have come from a small to medium sized pliosaur.‭ ‬The known teeth of Makhaira seem to suggest that Makhaira was more of a generalist,‭ ‬capable of hunting moderately sized prey of all types,‭ ‬without overly specialising on any one specific type of creature.

       Makhaira has in the past been cautiously identified as a brachauchenine pliosaur,‭ ‬though overall lack of fossils have made this assessment uncertain.‭ ‬However,‭ ‬in‭ ‬2017‭ ‬an additional genus of brachauchenine pliosaur named Luskhan was described from fossils‭ ‬recovered from the same region of Russia that the Makhaira type fossils were recovered from.‭

Further Reading

-‭ ‬Peculiar macrophagous adaptations in a new Cretaceous pliosaurid.‭ ‬Royal Society Open Science‭ ‬2‭(‬150552‭)‬.‭ ‬-‭ ‬V.‭ ‬Fischer,‭ ‬M.‭ ‬S.‭ ‬Arkhangelsky,‭ ‬I.‭ ‬M.‭ ‬Stenshin,‭ ‬G.‭ ‬N.‭ ‬Uspensky,‭ ‬N.‭ ‬G.‭ ‬Zverkov‭ & ‬R.‭ ‬B.‭ ‬J.‭ ‬Benson‭ ‬-‭ ‬2015.

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