Melvilloceras rotaii

Dernov, Vitaly, 2022, Late Bashkirian Ammonoids From The Mospyne Formation Of The Donets Basin, Ukraine, Fossil Imprint 78 (2), pp. 489-512 : 496-497

Layers with Melvilloceras rotaii

I n d e x s p e c i e s. Melvilloceras rotaii (LIBROVITCH in POPOV, 1979).

A s s o c i a t e d a m m o n o i d s. Cymoceras sp. , Bisatoceras sp. , Anthracoceratites tchernyshewi LIBROVITCH in POPOV, A. sp., Gastrioceras listeri (SOWERBY) , G. angustum P ATTEISKY , G. kutejnikovense POPOV, G. spp.,? Agastrioceras sp. , Branneroceras spp. ( Popov 1979 and this paper).

S t r a t i g r a p h i c r a n g e. Between shale 100 m below the G 1 2 limestone layer and the G 4 limestone bed.

A g e a n d c o r r e l a t i o n.Layerswith Melvilloceras rotaii correspond to the lower part of the GastriocerasBranneroceras Genozone, uppermost part of the lenisulcata Zone (non-marine bivalves) and lowest part of the communis Zone (lower Langsettian) of the Western Europe and the middle part of the Neuralethopteris jongmansii macrofloristic subzone of the Western Europe (Langsettian).