Nannotax3 - ntax_mesozoic - Prediscosphaera ponticula Nannotax3 - ntax_mesozoic - Prediscosphaera ponticula

Prediscosphaera ponticula


Classification: ntax_mesozoic -> Podorhabdales -> Prediscosphaeraceae -> Prediscosphaera -> P. columnata group -> Prediscosphaera ponticula
Sister taxa: P. columnata, P. ponticula

Distinguishing features:
Parent taxon (P. columnata group): Circular Prediscophaera species
This taxon: Circular to sub-circular; medium-sized; broad rim; cross with secondary bars


Taxonomy:

Citation: Prediscosphaera ponticula (Bukry, 1969) Perch-Nielsen, 1984
taxonomic rank: Species
Basionym: Prediscosphaera cretacea ponticula Bukry 1969

Farinacci & Howe catalog pages: P. cretacea ponticula *

Distinguishing features:
Parent taxon (P. columnata group): Circular Prediscophaera species
This taxon: Circular to sub-circular; medium-sized; broad rim; cross with secondary bars

Search data:
LITHS: placolith, circular, CA: ca_disjunct,
Lith size: 6->9µm; Segments: 16->16;
Data source notes: original description & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Danian stage). Data source: Lees & Bown 2005 - consistently present to end Cret
First occurrence (base): within Albian Stage (100.50-113.20Ma, base in Albian stage). Data source: Burnett 1998

Plot of occurrence data:

References:

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

Crux, J. A. (1980). A biostratigraphical study of Upper Cretaceous nannofossils from South-east England and North France. PhD thesis, University College London. -. gs

Perch-Nielsen, K. (1984). Validation of new combinations. INA Newsletter. 6(1): 42-46. gs

Püttmann, T. & Mutterlose, J. (2019). Calcareous nannofossils from a Late Cretaceous nearshore setting. Journal of Nannoplankton Research. S4: 81-88. gs

Roth, P. H. & Thierstein, H. R. (1972). Calcareous nannoplankton: Leg 14 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 12: 546-559. gs O

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. & 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 O


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Prediscosphaera ponticula compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-10-2024

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10939 Go to Archive.is to create a permanent copy of this page - citation notes
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