Distinguishing features:
Parent taxon (P. spinosa group): Elliptical Prediscophaera species with an axial cross
This taxon: inner-rim cycle broad
Taxonomy:
Farinacci & Howe catalog pages: E. cretaceus arkhangelskyi *
Distinguishing features:
Parent taxon (P. spinosa group): Elliptical Prediscophaera species with an axial cross
This taxon: inner-rim cycle broad
Search data:
LITHS: placolith, elliptical, CA: cross-axial, ca_disjunct, process, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent, |
Lith size: 7->9µm; Segments: 16->16; Data source notes: illustrated specimens |
Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.17Ma, top in Maastrichtian stage). Data source: Burnett 1998
First occurrence (base): within Santonian Stage (83.65-85.70Ma, base in Santonian stage). Data source: Burnett 1998
Plot of occurrence data:
Bralower, T. J. & Siesser, W. G. (1992). Cretaceous calcareous nannofossil biostratigraphy of Sites 761, 762, and 763, Exmouth and Wombat Plateaus, northwest Australia. Proceedings of the Ocean Drilling Program, Scientific Results. 122: 529-556. gs Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 132-199. gs O Perch-Nielsen, K. (1984). Validation of new combinations. INA Newsletter. 6(1): 42-46. gs Pospichal, J. J. & Wise, S. W. (1990). Maestrichtian calcareous nannofossil biostratigraphy of Maud Rise ODP leg 113 sites 689 and 690, Weddell Sea. Proceedings of the Ocean Drilling Program, Scientific Results. 113: 465-487. gs Reinhardt, P. (1965). Neue Familien für fossile Kalkflagellaten (Coccolithophoriden, Coccolithineen). Monatsberichte der Deutschen Akademie der Wissenschaften zu Berlin. 7: 30-40. gs Thibault, N. (2010). Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 31(1): 39-56. gs Wind, F. H. & Wise, S. W. (1983). Correlation of upper Campanian-lower Maestrichtian calcareous nannofossil assemblages in drill and piston cores from the Falkland Plateau, southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 551-563. gs Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs OReferences:
Prediscosphaera arkhangelskyi compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10929 Go to Archive.is to create a permanent copy of this page - citation notes |
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