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Vivaxosaurus : ウィキペディア英語版 | Vivaxosaurus ''Vivaxosaurus'' is a genus of dicynodont from Late Permian (Changhsingian) of Russia.〔http://www.tandfonline.com/toc/ujvp20/current〕 It has been found at Sokolki on the Northern Dvina River near Kotlas in Arkhangelsk Oblast, Russia. It lived during the latest Permian, and was a contemporary of ''Inostrancevia'', ''Scutosaurus'' and ''Dvinia''. Like all members of the genus, this animal was toothless, except for prominent tusks, and probably cropped vegetation with a horny beak, like a tortoise. The contemporary species ''Dicynodon amalitzkii'' Sushkin, 1926 is closely related (Angielczyk and Kurkin 2003a, 2003b), although according to Lucas 2005, ''Dicynodon trautscholdi'', ''Dicynodon amalitzkii'', ''Elph borealis'', and ''Vivaxosaurus permirus'' are all synonyms, which makes ''D. amalitzkii'' the junior synonym of ''D. trautscholdi''. Other suggested synonyms are ''Gordonia annae'' Amalitskii, 1922, ''Oudenodon venyokovi'' Amalitskii, 1922, and ''Dicynodon annae'' (Amalitskii, 1922). In 2011, ''Vivaxosaurus permirus'' and ''Dicynodon trautscholdi'' were combined as ''Vivaxosaurus trautscholdi''. ==References==
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