Name: Astrodon ‭(‬Star tooth‭)‬.
Phonetic: As-tro-don.
Named By: Joseph Leidy‭ ‬-‭ ‬1865.
Synonyms: Pleurocoelus‭?
Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Saurischia,‭ ‬Sauropoda,‭ ‬Titanosauriformes.
Species: A.‭ ‬johnstoni‭ (‬type‭)‬.
Diet: Herbivore.
Size: Estimated at about‭ ‬15-18‭ ‬meters long.
Known locations: USA,‭ ‬Maryland‭ ‬-‭ ‬Arundel Formation,‭ ‬Oklahoma‭ ‬-‭ ‬Antlers Formation.
Time period: Aptian/Albian of the Cretaceous.
Fossil representation: Partial remains.

       Astrodon‭ ‬has been a troublesome genus of sauropod dinosaur,‭ ‬partly because of the lack of complete remains for the genus which was initially primarily named from the teeth.‭ ‬Astrodon also has an uncertain relationship with the genus Pleurocoelus,‭ ‬with some authors considering the two to be synonymous,‭ ‬to just some species of Pleurocoelus to be synonymous with Astrodon,‭ ‬to some considering both genera being dubious.

Further reading
-‭ ‬The Reptillian Fauna of the Arundel Formation‭" ‬and‭ "‬Systematic Paleontology of the Lower Cretaceous Deposits of Maryland‭ ‬-Dinosauria,‭ ‬Lower Cretaceous‭ ‬:‭ ‬Maryland Geological Survey Systematic Reports,‭ ‬pp.‭ ‬173‭–‬178,‭ ‬183-211.‭ ‬-‭ ‬R.‭ ‬S.‭ ‬Lull‭ ‬-‭ ‬1911.
-‭ ‬Discovery of remains of Astrodon‭ (‬Pleurocoelus‭) ‬in the Atlantosaurus beds of Wyoming.‭ ‬-‭ ‬Annals of the Carnegie Museum of Natural History‭ ‬2:‭ ‬9‭–‬14‭ ‬-‭ ‬John Bell hatcher‭ ‬-‭ ‬1903.
-‭ ‬Studies of the sauropod dinosaur Astrodon Leidy,‭ ‬-‭ ‬Proceedings of the Washington Junior Academy of Sciences,‭ ‬1:‭ ‬38-44‭ ‬-R.‭ ‬F.‭ ‬Kingham.‭ ‬-‭ ‬1962.
-‭ ‬Additions to the vertebrate fauna of the Antlers Formation‭ (‬Lower Cretaceous‭)‬,‭ ‬southeastern Oklahoma.‭ ‬-‭ ‬Oklahoma Geology Notes‭ ‬57:124-131.‭ ‬-‭ ‬R.‭ ‬Cifelli,‭ ‬J.‭ ‬D.‭ ‬Gardner,‭ ‬R.‭ ‬L.‭ ‬Nydam‭ & ‬D.‭ ‬L.‭ ‬Brinkman.‭
-‭ ‬Reassessment of the Early Cretaceous Sauropod Astrodon johnstoni Leidy‭ ‬1865‭ (‬Titanosauriformes‭) ‬-‭ ‬Thunder Lizards:‭ ‬The Sauropodomorph Dinosaurs.‭ ‬-‭ ‬Kenneth Carpenter‭ & ‬Virginia Tidwell‭ ‬-‭ ‬2005.


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