Equijubus

Ek-we-ju-bus‬.
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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

Equijubus ‭(‬horse mane‭)‬.

Phonetic

Ek-we-ju-bus‬.

Named By

H.-L.‭ ‬You,‭ ‬Z.-X.‭ ‬Luo,‭ ‬N.‭ ‬H.‭ ‬Shubin,‭ ‬L.‭ ‬M.‭ ‬Witmer,‭ ‬Z.-L.‭ ‬Tang‭ & ‬F.‭ ‬Tang‭ ‬-‭ ‬2003.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia, Hadrosauroidea.

Diet

Herbivore.

Species

E.‭ ‬normani‭

Size

Roughly estimated at around‭ ‬7‭ ‬meters long,‭ ‬though a complete specimen is unknown at the time of writing.

Known locations

China,‭ ‬Gansu Province.

Time Period

Aptian of the Cretaceous

Fossil representation

Skull and jaws found articulated,‭ ‬as well as a partial vertebral column inclduing‭ ‬9‭ ‬cervical‭ (‬neck‭)‬,‭ ‬16‭ ‬dorsal‭ (‬back‭) ‬and‭ ‬6‭ ‬sacral‭ (‬hip‭) ‬vertebrae.

In Depth

       Equijubus seems to have been a primitive hadrosauroid from the early Cretaceous of China,‭ ‬though some have considered the genus to be more simply an iguanodont.‭ ‬Despite this,‭ ‬the skull of Equijubus lacks a palpebral bone,‭ ‬meaning that the eye did not have a bony projection jutting above it.

Further Reading

-‭ ‬The earliest-known duck-billed dinosaur from deposits of late Early Cretaceous age in northwest China and hadrosaur evolution.‭ ‬-‭ ‬Cretaceous Research‭ ‬24:348-355‭ ‬-‭ ‬H.-L.‭ ‬You,‭ ‬Z.-X.‭ ‬Luo,‭ ‬N.‭ ‬H.‭ ‬Shubin,‭ ‬L.‭ ‬M.‭ ‬Witmer,‭ ‬Z.-L.‭ ‬Tang‭ & ‬F.‭ ‬Tang‭ ‬-‭ ‬2003.- Dinosaur-associated Poaceae epidermis and phytoliths from the Early Cretaceous of China. – National Science Review. 5 (5): 721–727. – Yan Wu, Hai-Lu You & Xiao-Qiang Li – 2018.

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