Ellipsolithus lajollaensis


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

Taxonomy:

Citation: Ellipsolithus lajollaensis Bukry & Percival, 1971
Rank: Species

Distinguishing features: Elliptical to oblong Ellipsolithus with narrow central area spanned by plate with small perforations.

Farinacci & Howe catalog pages: E. lajollaensis *

Search data:
TagsLITHS: placolith, elliptical, CA: ca_conjunct, plate, pores, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 8->12µm;
Data source notes: lith length from OD & 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 NP15 zone (42.87-46.29Ma, top in Lutetian stage). Data source: [PRB rough estimate]
First occurrence (base): within NP12 zone (50.50-53.70Ma, base in Ypresian stage). Data source: [PRB rough estimate]

Plot of occurrence data:

References:

Bown, P. R. & Newsam, C. (2017). Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research. 37(1): 25-60. gs V O

Bukry, D. & Percival, S. F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology. 8: 123-146. gs V O


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Ellipsolithus lajollaensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-2-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=528 Go to Archive.is to create a permanent copy of this page - citation notes



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