Notohypsilophodon

No-toe-hip-sil-o-foe-don.
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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

Notohypsilophodon ‭ (‬Southern Hypsilophodon‭)‬.

Phonetic

No-toe-hip-sil-o-foe-don.

Named By

R.‭ ‬D.‭ ‬Mart�nez‭ ‬-‭ ‬1998.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Ornithopoda,‭ ‬Iguanodontia.

Diet

Herbivore.

Species

N.‭ ‬comodorensis‭

Size

Holotype roughly about‭ ‬1.3‭ ‬meters long,‭ ‬but‭ ‬this is of a juvenile,‭ ‬fully grown adults were likely larger.

Known locations

Argentina‭ ‬-‭ ‬Bajo Barreal Formation.

Time Period

Cenomanian of the Cretaceous.

Fossil representation

Partial post cranial skeleton of a juvenile including hind limb,‭ ‬shoulder and rib bones as well as some vertebrae.

In Depth

       Notohypsilophodon is a genus of small ornithopod dinosaur that lived in South America during the late Cretaceous.‭ ‬Notohypsilophodon is so named based upon a superficial similarity to the genus Hypsilophodon while also recognising the more southern occurrence of this individual.‭ ‬Notohypsilophodon is so far only known from the partial remains of a juvenile,‭ ‬but we can ascertain through study of related dinosaurs that Notohypsilophodon would have been a fairly small herbivore,‭ ‬browsing upon low growing plants.‭ ‬Notohypsilophodon would have had to rely upon sharp senses,‭ ‬quick reactions and fast running to‭ ‬stay out of the mouths of predatory dinosaurs such as abelisaurs that were roaming around South America at the same time.

Further Reading

-‭ ‬Notohypsilophodon comodorensis gen.‭ ‬et sp.‭ ‬nov.‭ ‬un Hypsilophodontidae‭ (‬Ornitischia:‭ ‬Ornithopoda‭) ‬del Cret�cico Superior de Chubut,‭ ‬Patagonia central,‭ ‬Argentina‭ [‬Notohypsilophodon comodorensis gen.‭ ‬et sp.‭ ‬nov.,‭ ‬a Hypsilophodontidae‭ (‬Ornithischia:‭ ‬Ornithopoda‭) ‬from the Upper Cretaceous of Chubut,‭ ‬central Patagonia,‭ ‬Argentina‭]‬.‭ ‬-‭ ‬Acta Geologica Leopoldensia‭ ‬21‭(‬46/47‭)‬:119-135‭ ‬-‭ ‬R.‭ ‬D.‭ ‬Mart�nez‭ ‬-‭ ‬1998.

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