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Showing results for tags 'stegosauria'.
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A new paper is available online: Susannah C.R. Maidment; Thomas J. Raven; Driss Ouarhache; Paul M. Barrett (2019). North Africa's first stegosaur: Implications for Gondwanan thyreophoran dinosaur diversity. Gondwana Research. in press. doi:10.1016/j.gr.2019.07.007. Adratiklit is significant as the oldest stegosaur from Africa and the second valid stegosaur from the Bajocian-Bathonian interval, considering that Isaberrysaura has been recently classified as a stegosaur given its mix of stegosaurian and neornithischian traits. If you aren't aware, the Xiashaximiao and Shangshaximiao Formations that have yielded Chungkingosaurus, Gigantspinosaurus, Yingshanosaurus, Huayangosaurus, Chialingosaurus, and Tuojiangosaurus are now considered to be Oxfordian-Kimmeridgian in age. By the way, is there a copy of the paper I could look at?
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- adratiklit
- el mers formation
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These finds were reported a while back and this paper describes the finds. These two partial skeletons from Montana represent the northernmost occurrences of Stegosauria within North America ever recovered from the Morrison Formation http://app.pan.pl/article/item/app005852018.html
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- 7
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- hesperosaurus
- late jurassic
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