Equijubus

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.
Species: E.‭ ‬normani‭ (‬type‭)‬.
Diet: Herbivore.
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.

       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.



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