Horshamosaurus

Name: Horshamosaurus ‭(‬Horsham lizard‭)‬.
Phonetic: Hor-sham-o-sore-us.
Named By: William T.‭ ‬Blows‭ ‬-‭ ‬2015.
Synonyms: Polacanthus rudgwickensis.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Thyreophora,‭ ‬Ankylosauria.
Species: H.‭ ‬rudgwickensis‭ (‬type‭)‬.
Diet: Herbivore.
Size: Roughly estimated at about‭ ‬5‭ ‬meters long.
Known locations: England‭ ‬-‭ ‬Weald Clay Formation.
Time period: Barremian of the Cretaceous.
Fossil representation: Partial post cranial skeletal remains including limb bones vertebrae ribs and armour plates.

       When fossils of Horshamosaurus were first discovered they were originally interpreted as coming from Iguanodon,‭ ‬but in‭ ‬1996‭ ‬they were re-described as a species of Polacanthus by William Blows.‭ ‬However in‭ ‬2015‭ ‬Blows re-described this species as a whole new genus named Horshamosaurus,‭ ‬citing clear differences in the vertebrae and armour.‭ ‬At the time of writing Horshamosaurus is credited as being a member of the Ankylosauria,‭ ‬though not necessarily a close relative of Polacanthus.‭ ‬Unfortunately the incomplete preservation of remains makes a more certain distinction hard to establish,‭ ‬and currently most reconstructions of Horshamosaurus have the genus as Polacanthus-like given we know that these types of thyreophoran dinosaurs were common in the world during the early Cretaceous.‭ ‬Horshamosaurus itself would have been a browser of low growing vegetation that relied upon thick bony scales called osteoderms to protect it from the teeth and claws of predatory dinosaurs.

Further reading
-‭ ‬A new species of Polacanthus‭ (‬Ornithischia‭; ‬Ankylosauria‭) ‬from the Lower Cretaceous of Sussex,‭ ‬England.‭ ‬-‭ ‬Geological Magazine,‭ ‬133‭ (‬6‭)‬:‭ ‬671‭–‬682.‭ ‬-‭ ‬William T.‭ ‬Blows‭ ‬-‭ ‬1996.
-‭ ‬British Polacanthid Dinosaurs‭ ‬-‭ ‬Observations on the History and Palaeontology of the UK Polacanthid Armoured Dinosaurs and their Relatives.‭ ‬-‭ ‬Siri Scientific Press,‭ ‬220‭ ‬pp.‭ ‬-‭ ‬William T.‭ ‬Blows‭ ‬-‭ ‬2015.



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