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Author:
Riding,J.B.;Davey,R.J.
Year:
1989
Title:
Rotosphaeropsis thula (Davey 1982), comb.nov., emend. A dinoflagellate from the Upper Jurassic - Lower Cretaceous of England.
Reference:
Riding,J.B. et al. (1989) Rotosphaeropsis thula (Davey 1982), comb.nov., emend. A dinoflagellate from the Upper Jurassic - Lower Cretaceous of England. Journal of Micropalaeontology Vol. 8 # 1 P. 109- 112
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Genus Species Country(Region) From To
Cannosphaeropsis Cannosphaeropsis thule Denmark Early Portlandian Early Ryazanian
Rotosphaeropsis Rotosphaeropsis thule Denmark Early Portlandian Early Ryazanian
Rotosphaeropsis Rotosphaeropsis thule England(Norfolk) Late Kimmeridgian Ryazanian
Adnatosphaeridium Adnatosphaeridium apiculatum England(Norfolk) Late Kimmeridgian Ryazanian
Cannosphaeropsis Cannosphaeropsis sp.A Dave.,1979 sp. nov. England(Norfolk) Late Kimmeridgian Ryazanian
Cannosphaeropsis Cannosphaeropsis thule England(Norfolk) Late Kimmeridgian Ryazanian
Cannosphaeropsis Cannosphaeropsis utinensis England(Norfolk) Late Campanian