Taxonomy:
Morphology: Wall structure: oblique
Archeopyle: Apical 3 plates (Streng et al. 2004)
Geological Range:
Last occurrence (top): within Late Miocene Sub-Epoch (5.33-11.62Ma, top in Messinian stage). Data source:
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: Wendler et al. 2002
Bolli, H. M. (1974). Jurassic and Cretaceous Calcisphaerulidae from D.S.D.P. Leg 27, eastern Indian Ocean. Initial Reports of the Deep Sea Drilling Project. 27: 843-907. gs V O Lentin, J. K. & Williams, G. L. (1993). Fossil dinoflagellates: index to genera and species. 1993 edition. American Association of Stratigraphic Palynologists, Contributions Series. 28: 1-856. gs Streng, M., Hildebrand-Habel, T. & Willems, H. (2004b). Longterm evolution of calcereous dinoflagellate associations since the Late Cretaceous. Journal of Nannoplankton Research. 26(1): 13-46. gs V O Streng, M., Hildebrand-Habel, T. & Willems, H. (2004a). A proposed classification of archeopyle types in calcareous dinoflagellate cysts. Journal of Paleontology. 78(3): 456-483. gs Wendler, J., Gräfe, K. U. & Willems, H. (2002d). Palaeoecology of calcareous dinoflagellate cysts in the mid-Cenomanian Boreal Realm: implications for the reconstruction of palaeoceanography of the NW European shelf sea. Cretaceous Research. 23: 213-229. gsReferences:
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Pirumella edgarii compiled by Jeremy R. Young viewed: 19-1-2021
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