Is Platypterygius platydactylus from a named formation?
What formation and stage is Microcleidus macropterus from?
What formation is Microcleidus tourhemirensis from?
Does anyone have a copy of V. G. Otschev. 1976. A new pliosaur from the Upper Cretaceous of Penza Province. Paleont. Zhurnal 2:135-138
GSPaul