Gunakadeit

Gun-ah-kah-deet.
Published on

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

Gunakadeit ‭(‬after a sea monster in Tlingit mythology‭)‬.

Phonetic

Gun-ah-kah-deet.

Named By

Patrick S.‭ ‬Druckenmiller,‭ ‬Neil P.‭ ‬Kelley,‭ ‬Eric T.‭ ‬Metz‭ & ‬James Baichtal‭ ‬-‭ ‬2020.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Thalattosauria,‭ ‬Thalattosauroidea.

Diet

Carnivore/Pisciivore.

Species

G.‭ ‬joseeae‭

Size

Skull about‭ ‬12‭ ‬centimetres long.‭ ‬Total length of preserved holotype individual about‭ ‬56-57‭ ‬centimetres,‭ ‬but some rear portion of the tail is missing.

Known locations

USA,‭ ‬Alaska‭ ‬-‭ ‬Hound Island Volcanics.

Time Period

Norian of the Triassic.

Fossil representation

Almost complete skull and post cranial skeleton.

In Depth

       Gunakadeit is a genus of thalattosaur that lived in waters around what is now North America during the late Triassic.‭ ‬Gunakadeit is a thalattosaur genus of contrasts.‭ ‬In one respect Gunakadeit appear to have been quite primitive in form when compared to other thalattosaurs.‭ ‬In another,‭ ‬Gunakadeit lived towards the end of the Triassic,‭ ‬after many of the more advanced form thallatosaurs had gone extinct.‭ ‬Gunakadeit seems to have been an exclusively aquatic reptile with jaws that end in a sharp toothless point.‭ ‬Gunakadeit would be expected to have been a predator of fish and soft bodied marine creatures such as cephalopods.

Further Reading

-‭ ‬An articulated Late Triassic‭ (‬Norian‭) ‬thalattosauroid from Alaska and ecomorphology and extinction of Thalattosauria.‭ ‬-‭ ‬Scientific Reports.‭ ‬10‭ (‬1‭)‬:‭ ‬1‭–‬14.‭ ‬-‭ ‬Patrick S.‭ ‬Druckenmiller,‭ ‬Neil P.‭ ‬Kelley,‭ ‬Eric T.‭ ‬Metz‭ & ‬James Baichtal‭ ‬-‭ ‬2020.

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