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Jurassic Forum » JURASSIC references & paper reviews » Jurassic of Russia and former USSR » Mitta (2008) (Genus Kepplerites in the Bathonian-Callovian, Russian plate)
Mitta (2008)
mhornДата: Thursday, 04.12.2008, 21:46 | Сообщение # 1
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Mitta V.V. (2008) The genus Kepplerites Neumary et Uhlig (Kosmoceratidae, Ammonoidea) in the Bathonian-Callovian beds (Middle Jurassic) of the Russian Platform // Paleontological Journal. Volume 42, Number 1, P.5-14.

pdf: http://springerlink.com/content/f54tmx162043433q/fulltext.pdf

The succession of early species of the genus Kepplerites is established in the Upper Bathonian-Lower Callovian beds of Central Russia and compared with the ammonoid succession of East Greenland and Western Europe. Late Bathonian members of the genus Kepplerites from the Middle Volga Region are generally similar, though not identical to those from Greenland, whereas the Early Callovian Kepplerites species and their immediate Bathonian ancestors are represented by species common to all three regions. The analysis of the ammonoid distribution suggests a connection between the East Greenland and Central Russian marine basins in the Early and Middle Bathonian and in the Early Callovian, and their short-term isolation in the Late Bathonian. A new species, Kepplerites (Kepplerites) aigii sp. nov., is described from the Upper Bathonian (keuppi Zone) of the Alatyr River basin (Middle Volga Region).


Middle Jurassic - Lower Cretaceous ammonites & aptychi
 
Jurassic Forum » JURASSIC references & paper reviews » Jurassic of Russia and former USSR » Mitta (2008) (Genus Kepplerites in the Bathonian-Callovian, Russian plate)
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