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Advances in the Ordovician graptolite biostratigraphy of the St Petersburg area,Russia
Ordovician graptolites biostratigraphy St Petersburg area
2009/10/21
The Ordovician shallow-water shelf deposits rich in benthic fauna are exposed along the Russian part of the Baltic– Ladoga Klint. Graptolites occur only at some stratigraphic levels, being compar...
New chondrichthyan teeth from the Early Carboniferous of Britain and Russia
Viséan-Serpukhovian Carboniferous Anachronistidae Ginteria gen.nov.
2009/10/20
Ginteria fungiforma gen. et sp. nov. is described on the basis of isolated teeth from the Viséan (Brigantian) of the Matlock Limestone Formation of Derbyshire, England and the Late Viséan (Msta Format...
New genus of chondrichthyans from the Silurian-Devonian boundary deposits of Tuva (Russia)
Chondrichthyans Elegestolepids Silurian Devonian Tuva
2009/10/20
The scales of T.schultzei display significant morphological variation and are characterized by a very fine, comparatively wide and flat crown with longitudinal ribs and a small and short neck. The gro...