Tatankacephalus

Tah-tan-kah-sef-ah-luss.
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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

Tatankacephalus ‭(‬Bison head‭)‬.

Phonetic

Tah-tan-kah-sef-ah-luss.

Named By

William L.‭ ‬Parsons‭ & ‬Kirsten M.‭ ‬Parsons‭ ‬-‭ ‬2009.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Thyreophora,‭ ‬Ankylosauria,‭ ‬Nodosauridae.

Diet

Herbivore.

Species

T.‭ ‬cooneyorum‭

Size

Complete skull about‭ ‬32‭ ‬centimetres long.

Known locations

USA,‭ ‬Montana‭ ‬-‭ ‬Cloverly Formation.

Time Period

Aptian/Albian of the Cretaceous.

Fossil representation

Partial skull,‭ ‬two fragmented osteoderms and two partial ribs.

In Depth

       Tatankacephalus is a genus of nodosaur that lived in what is now Montana during the early Cretaceous period.‭ ‬Best known from an incomplete skull,‭ ‬Tatankacephalus has been interpreted as a close relative to the better known nodosaurid dinosaur Gastonia.‭ ‬A different genus of nodosaurid dinosaur from the same location as Tatankacephalus is Sauropelta,‭ ‬though it has been clearly established that Tatankacephalus is separate from this genus.‭ ‬This is because although the holotype skull of Tatankacephalus was only partially preserved,‭ ‬it was preserved free from compression damage and distortion,‭ ‬making it much easy to study the features of the skull with certainty.

       Tatankacephalus is a combination for the Tatanka word for Bison and the Ancient Greek word for head,‭ ‬so the name comes together and translates to English as‭ ‘‬Bison head.‭ ‬The type species name T.‭ ‬cooneyorum is in honour of the family of John Patrick Cooney.‭ ‬Tatankacephalus should not be confused with the similarly named dinosaur,‭ ‬Tatankaceratops.

Further Reading

-‭ ‬A new ankylosaur‭ (‬Dinosauria:‭ ‬Ankylosauria‭) ‬from the Lower Cretaceous Cloverly Formation of central Montana.‭ ‬-‭ ‬Canadian Journal of Earth Sciences‭ ‬46‭(‬10‭)‬:721-738.‭ ‬-‭ ‬William L.‭ ‬Parsons‭ & ‬Kirsten M.‭ ‬Parsons‭ ‬-‭ ‬2009.

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