Fischer,Arkhangelsky,Naish,Stenshin,Uspensky,Goderfroit_2014

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Fischer V., Arkhangelsky M.S., Naish d., Stenshin I.M., Uspensky G.N., Godefroit P. (2014) Simbirskiasaurus and Pervushovisaurus reassessed: implications for the taxonomy and cranial osteology of Cretaceous platypterygiine ichthyosaurs // Zoological Journal of the Linnean Society, 2014, 171, 822–841. With 11 figures
http://cretaceous.ru/pub/~/id/2538