What is Marshosaurus?
{{italictitle}} {{speciesbox | fossil_range = [[Late Jurassic]], {{fossilrange|155|152}} | image = Marshosaurus.jpg | image_caption = The fossilized upper jaw of a female ''Marshosaurus''. | genus = Marshosaurus | parent_authority = [[James Henry Madsen Jr.|Madsen]], 1976 | species = bicentesimus | authority = Madsen, 1976 }} '''''Marshosaurus''''' is a [[genus]] of medium to large-sized [[carnivorous]] [[theropod]] [[dinosaur]]. It is from the [[Upper Jurassic|Late Jurassic]] [[Morrison Formation]] of [[Utah]] and [[Colorado]]. This carnivore was once common in the same territory as the larger and more dangerous ''[[Allosaurus]]''. It was about 4.5 metres long and weighed 200 kg.<ref>{{cite book|last=Paul|first=Gregory S.|date=2010|title=The Princeton Field Guide to Dinosaurs|url=https://archive.org/details/princetonfieldgu00paul_514|publisher=Princeton University Press|page=[https://archive.org/details/princetonfieldgu00paul_514/page/n91 91]|isbn=9780691137209 }}</ref> It most likely preyed on giant sauropod dinosaurs such as ''[[Camarasaurus]]'', ''[[Apatosaurus]]'', ''[[Diplodocus]]'', ''[[Supersaurus]]'', ''[[Brontosaurus]], [[Diplodocus|Seismosaurus]], [[Haplocanthosaurus]]'' and ''[[Brachiosaurus]]'', as well as stegosaurs such as ''[[Hesperosaurus]]'' and ''[[Stegosaurus]]''. It also lived at the same time as three other carnivores of the era, including ''[[Ornitholestes]], [[Torvosaurus]]'' and ''[[Ceratosaurus]]''. == Prey sources == Amongst ''Marshosaurus''<nowiki/>'s main prey sources were ''Apatosaurus'', ''Supersaurus'', ''Hesperosaurus'' and ''Brontosaurus''. But other than meals, it had a few rivals. Some other carnivores that were its rivals included ''[[Saurophaganax]]'', ''Allosaurus'', ''Ceratosaurus'', ''Torvosaurus'' and ''[[Antrodemus]].'' == References == {{reflist}} [[Category:Theropods]] {{-}} {{biology-stub}} [[Category:Jurassic dinosaurs]]