Distinguishing features:
Parent taxon (Broinsonia parca): Large (>9 µm) central structure perforate plate; rim broad.
This taxon: Intermediate width central plate; plate width 1-2 x margin width
Taxonomy:
Aspidolithus parcus parcus (Stradner 1963) Noël 1969
Farinacci & Howe catalog pages: A. parca *
Distinguishing features:
Parent taxon (Broinsonia parca): Large (>9 µm) central structure perforate plate; rim broad.
This taxon: Intermediate width central plate; plate width 1-2 x margin width
Search data:
LITHS: placolith, elliptical, CA: closed, plate, pores, CROSS-POLARS: R-prominent, V-prominent, rim-bicyclic, |
Lith size: 7->15µm; Data source notes: illustrated specimens |
Geological Range:
Last occurrence (top): within UC15d subzone (75.85-76.77Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): at base of UC14 zone (0% up, 82.8Ma, in Campanian stage). Data source: Burnett 1998 (zonal marker)
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 Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles. 51 (Protista 2): 1-79. gs O Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 132-199. gs O Noël, D. (1969). Arkhangelskiella (coccolithes Crétacés) et formes affines du Bassin de Paris. Revue de Micropaléontologie. 11: 191-204. 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 Püttmann, T., Linnert, C., Dölling, B. & Mutterlose, J. (2018). Deciphering Late Cretaceous (Cenomanian to Campanian) coastline dynamics in the southwestern Münsterland (northwest Germany) by using calcareous nannofossils: Eustasy vs local tectonics,. Cretaceous Research. 87: 174-184. gs Salomon, R. (1999). The Calcite Palace. Website - https://ina.tmsoc.org/galleries/CalcitePalace/index.htm. -. gs Stradner, H. (1963). New contributions to Mesozoic stratigraphy by means of nannofossils. In, Proceedings of the Sixth World Petroleum Congress. Section 1 Paper 4: 167-183. gs Stradner, H., Aubry, M. -P. & Bonnemaison, M. (2010). Calcareous nannofossil type specimens in the collection of the Geological Survey of Austria: A taxonomic and stratigraphic update. Jahrbuch der Geologischen Bundesanstalt. 150(1-2): 9-84. gs Thibault, N. (2010). Calcareous nannofossils from the boreal Upper Campanian- Maastrichtian chalk of Denmark. Journal of Nannoplankton Research. 31(1): 39-56. gs Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs OReferences:
Broinsonia parca subsp. parca compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 13-12-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10130 Go to Archive.is to create a permanent copy of this page - citation notes |
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