Range tops of 41 dinoflagellate cyst taxa occur within the Upper Triassic to Lower Cretaceous of northwest Europe. These range tops form the basis of a proposed biostratigraphy of the Upper Triassic, Jurassic and Lower Cretaceous strata of the region, the subdivision of which is of value to industrial palynologists who work mainly with drill cuttings from oil and gas exploration boreholes.
No takes yet. Share an insight, caveat, or question.
James B. Riding (1984) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: