Scanisaurus Nazarowi
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Scanisaurus Nazarowi
''Scanisaurus'' is a Nomen dubium, dubious genus of Plesiosauria, plesiosaur that lived in what is now Sweden and Russia during the Campanian stage of the Late Cretaceous period. The name ''Scanisaurus'' means "Skåne lizard", Skåne being the southernmost province of Sweden, where a majority of the fossils Reference, referred to the genus have been recovered. The genus contains one species, ''S. nazarowi'', described in 1911 by Nikolay Bogolyubov (paleontologist), Nikolay Bogolyubov as a species of ''Cimoliasaurus'' based on a single vertebral centrum discovered near Orenburg, Russia. the species was moved into its own genus by Per-Ove Persson in 1959 after several differences were observed between the Russian centra and new fossils from Skåne and the type species of ''Cimoliasaurus''. Due to the limited type material and the lack of diagnostic features in the Swedish fossils confidently separating ''Scanisaurus'' from other Late Cretaceous Elasmosauridae, elasmosaurids, the gen ...
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Campanian
The Campanian is the fifth of six ages of the Late Cretaceous epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campanian spans the time from 83.6 (± 0.2) to 72.1 (± 0.2) million years ago. It is preceded by the Santonian and it is followed by the Maastrichtian. The Campanian was an age when a worldwide sea level rise covered many coastal areas. The morphology of some of these areas has been preserved: it is an unconformity beneath a cover of marine sedimentary rocks. Etymology The Campanian was introduced in scientific literature by Henri Coquand in 1857. It is named after the French village of Champagne in the department of Charente-Maritime. The original type locality was a series of outcrops near the village of Aubeterre-sur-Dronne in the same region. Definition The base of the Campanian Stage is defined as a place in the stratigraphic ...
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