Ellipsolithus bollii


Classification: ntax_cenozoic -> Coccolith families inc sed -> Coccolith genera inc sed -> Ellipsolithus -> Ellipsolithus bollii
Sister taxa: E. anadoluensis, E. aubryae, E. bollii, E. distichus, E. lajollaensis, E. macellus, E. pumex, E. sp.

Taxonomy:

Citation: Ellipsolithus bollii Perch-Nielsen, 1977
Rank: Species
Taxonomic discussion: Similar to Ellipsolithus distichus but more elliptical outline and smaller central area perforations.

Distinguishing features: Elliptical Ellipsolithus with central area plate with small perforations.

Farinacci & Howe catalog pages: E. bollii *

Search data:
TagsLITHS: placolith, elliptical, CA: ca_conjunct, plate, pores, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 7->12µm;
Data source notes: lith length from illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP10 zone (54.17-55.86Ma, top in Ypresian stage). Data source: Bown (2005)
First occurrence (base): within NP5 zone (59.54-61.51Ma, base in Selandian stage). Data source: original description

Plot of occurrence data:

References:

Bown, P. R. (2005d). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research. 27(1): 21-95. gs V O

Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs V O

Perch-Nielsen, K. (1977a). Albian to Pleistocene calcareous nannofossils from the Western South Atlantic, DSDP Leg 39. Initial Reports of the Deep Sea Drilling Project. 39: 699-823. gs V O

Shepherd, C. L. & Kulhanek, D. K. (2016). Eocene nannofossil biostratigraphy of the mid-Waipara River section, Canterbury Basin, New Zealand. Journal of Nannoplankton Research. 26(1): 33-59. gs V O

Steurbaut, E. & Sztrákos, K. (2008). Danian/Selandian boundary criteria and North Sea Basin–Tethys correlations based on calcareous nannofossil and foraminiferal trends in SW France. Marine Micropaleontology. 67: 1-29. gs


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Ellipsolithus bollii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=526 Go to Archive.is to create a permanent copy of this page - citation notes



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