Some Early Cretaceous ammonites nominally listed in the stratigraphic schemes and works on the Lower Cretaceous stratigraphy of the Sikhote-Alin are briefly described and pictured in this paper. Side by side with the ...
A systematic analysis of the detailed biostratigraphy of Jurassic-Cretaceous boundary beds in principal regions of Russia is used to ground the correlation model of these deposits. The interregional correlations with ...