Taxonomy:
Farinacci & Howe catalog pages: Discolithus bugensis *
Geological Range:
Last occurrence (top): in lower part of UC16 zone (20% up, 75.1Ma, in Maastrichtian stage). Data source: Burnett 1998, fig 6.5
First occurrence (base): within UC15b subzone (77.61-79.00Ma, base in Campanian stage). Data source: Burnett 1998
Plot of occurrence data:
Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs Crux, J. A., Hamilton, G. B., Lord, A. R. & Taylor, R. J. (1982). Tortolithus gen. nov. Crux and new combinations of Mesozoic calcareous nannofossils from England. INA Newsletter. 4: 98-101. gs Górka, H. (1957). Les Coccolithophoridés du Maestrichtien supérieur de Pologne. Acta Palaeontologica Polonica. 2: 239-284. gs Thibault, N. (2010). Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 30(1): 39-56. gsReferences:
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Heteromarginatus bugensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-12-2019
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