Name: Glacialisaurus ‭(‬Frozen lizard‭)‬.
Phonetic: Clay-she-al-sore-us.
Named By: N.‭ ‬D.‭ ‬Smith‭ & ‬D.‭ ‬Pol‭ ‬-‭ ‬2007.
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Saurischia,‭ ‬Sauropodomorpha,‭ ‬Massospondylidae.
Species: G.‭ ‬hammeri‭ (‬type‭)‬.
Diet: Herbivore.
Size: Unknown due to lack of fossil remains.
Known locations: Antarctica‭ ‬-‭ ‬Hanson Formation.
Time period: Sinemurian of the Jurassic.
Fossil representation: Partial hind limb including femur and foot.

       Glacialisaurus is the first genus of sauropodomorph dinosaur known from Antarctica.‭ ‬Though only known from a few hind limb bones,‭ ‬these are enough to identify Glacialisaurus as a massospondylid sauropodomorph dinosaur,‭ ‬as well as possible close relative of Lufengosaurus from China.
       From the same fossil formation that the Glacialisaurus holotype remains are known from,‭ ‬the fossils of sauropod dinosaurs are also known.‭ ‬This is a clear indicator that the sauropod dinosaurs did not replace the earlier sauropodomorphs overnight,‭ ‬and that‭ ‬the sauropods and sauropodomorph dinosaurs co-existed together for quite some time.‭ ‬Predatory threats to Glacialisaurus potentially include‭ ‬Cryolophosaurus,‭ ‬a meat-eating theropod dinosaur that is known from the same Hanson Formation that Glacialisaurus is known from.

Further reading
-‭ ‬Anatomy of a basal sauropodomorph dinosaur from the Early Jurassic Hanson Formation of Antarctica.‭ ‬-‭ ‬Acta Palaeontologica Polonica‭ ‬52‭(‬4‭)‬:657-674.‭ ‬-‭ ‬N.‭ ‬D.‭ ‬Smith‭ & ‬D.‭ ‬Pol‭ ‬-‭ ‬2007.
-‭ ‬The Dinosaurs of the Early Jurassic Hanson Formation of the Central Transantarctic Mountains:‭ ‬Phylogenetic Review and Synthesis.‭ ‬-‭ ‬U.S.‭ ‬Geological Survey and the National Academies.‭ ‬-‭ ‬N.‭ ‬D.‭ ‬Smith,‭ ‬P.‭ ‬J.‭ ‬Makovicky,‭ ‬D.‭ ‬Pol,‭ ‬W.‭ ‬R.‭ ‬Hammer‭ & ‬P.‭ ‬J.‭ ‬Currie‭ ‬-‭ ‬2007.


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