Gigantspinosaurus

Name: Gigantspinosaurus ‭(‬Giant-spined lizard‭).
Phonetic: Ji-gant-spy-noe-sore-us.
Named By: Ouyang‭ ‬-‭ ‬1992.
Classification: Chordata Reptilia,‭ ‬Dinosauria,‭ ‬Ornithischia,‭ ‬Thyreophora,‭ ‬Stegosauria.
Species: G.‭ ‬sichuanensis‭ (‬type‭)‬.
Diet: Herbivore.
Size: Around‭ ‬4.2‭ ‬meters long.
Known locations: China,‭ ‬Sichuan Province‭ ‬-‭ ‬Shaximiao Formation.
Time period: Oxfordian of the Jurassic.
Fossil representation: Partial skeleton,‭ ‬possibly of a sub adult.‭ ‬Skull unknown.

       At a glance the name Gigantspinosaurus gives the impression of an oversized gargantuan Spinosaurus,‭ ‬a particularly exciting but frightening prospect when you consider what that dinosaur was.‭ ‬In realty however Gigantspinosaurus actually a stegosaur,‭ ‬perhaps the farthest a dinosaur can get from being one of the spinosaurs.
       The name Gigantspinosaurus is actually a reference to the huge shoulder spines that grown from the shoulder area,‭ ‬similar to some like Kentrosaurus but upon a larger scale.‭ ‬These spines are thought to have provided Gigantspinosaurus with additional defence from large theropod dinosaurs like Sinraptor,‭ ‬but the exaggerated size may have also served as a display function.‭ ‬The other plates and spines were small in comparison to other stegosaurs,‭ ‬and this seems to fit in with the notion that Gigantspinosaurus is one of the most basal stegosaurs known.‭ ‬Primitive forms are noted for having shoulder spines and small plates,‭ ‬while more advanced forms like Stegosaurus have better developed plates but lack shoulder spines.
       Gigantspinosaurus is still sometimes credited as being a nomen nudum‭ (‬naked name‭) ‬and not representative of a specific genus,‭ ‬but this all stems back to an incomplete translation of the original Chinese description.‭ ‬Today,‭ ‬palaeontologists readily recognise Gigantspinosaurus as a basal stegosaur,‭ ‬and this dinosaur has been the subject of a lot of study since.‭ ‬The type species name G.‭ ‬sichuanensis means‭ ‘‬from Sichuan‭’‬.




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