Name: Hypselospinus ‭(‬Highest spined‭)‬.
Phonetic: Hip-sel-o-spy-nuss.
Named By: David B.‭ ‬Norman‭ ‬-‭ ‬2010.
Synonyms: Iguanodon fittoni,‭ ‬Wadhurstia.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Ornithopoda,‭ ‬Iguanodontia.
Species: H.‭ ‬fittoni‭ (‬type‭)‬.
Diet: Herbivore.
Size: Roughly estimated about‭ ‬6‭ ‬meters long.
Known locations: England,‭ ‬Sussex‭ ‬-‭ ‬Wadhurst Clay Formation.‭ ‬Possibly Spain.
Time period: Valanginian of the Cretaceous.
Fossil representation: Partial post cranial remains,‭ ‬including sacrum,‭ ‬caudal‭ (‬tail‭) ‬vertebrae,‭ ‬left ilium and teeth.

       Hypselospinus was a genus of ornithopod that was similar to Iguanodon,‭ ‬so similar in fact that the holotype remains of the genus were originally named as a species of Iguanodon,‭ ‬I.‭ ‬fittoni.‭ ‬These remains were re-described as a new genus by Norman in‭ ‬2010,‭ ‬but not long after another name for the remains was proposed by Carpenter and Ishida.‭ ‬Iguanodon fittoni was now named as Hypselospinus and Wadhurstia,‭ ‬but because first naming has priority in such circumstances,‭ ‬Wadhurstia became a synonym to Hypselospinus.
       The partial remains of Hypselospinus on their own do not reveal much about the life of this dinosaur,‭ ‬but as an iguanodontid a few things can be assumed by them.‭ ‬Hypselospinus seems to have been a mid-range sized ornithopod,‭ ‬that would have probably been primarily quadrupedal,‭ ‬but still have the ability to be bipedal when it had to,‭ ‬such as reaching vegetation growing beyond the height that low browsers could reach.

Further reading
-‭ ‬On the remains and affinities of five genera of Mesozoic reptiles,‭ ‬Richard Lydekker‭ ‬-‭ ‬1889.
-‭ ‬A taxonomy of iguanodontians‭ (‬Dinosauria:‭ ‬Ornithopoda‭) ‬from the lower Wealden Group‭ (‬Cretaceous:‭ ‬Valanginian‭) ‬of southern England,‭ ‬David B.‭ ‬Norman‭ ‬-‭ ‬2010.
-‭ ‬Early and‭ “‬Middle‭” ‬Cretaceous Iguanodonts in Time and Space,‭ ‬K.‭ ‬Carpenter‭ & ‬Y.‭ ‬Ishida‭ ‬-‭ ‬2010.


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