Campylosphaera eodela


Classification: ntax_cenozoic -> Coccolithales -> Coccolithaceae -> Campylosphaera -> Campylosphaera eodela
Sister taxa: C. dela, C. differta, C. eodela, C. eroskayi, C. sp.

Taxonomy:

Citation: Campylosphaera eodela Bukry & Percival 1971
Rank: Species
Taxonomic discussion: Intergrades with C. dela but only occurs in lower part of the range of C. dela (e.g Shamrock & Watkins 2008). Not separated by all authors.

Distinguishing features: Similar to C. dela but with narrow central areas largely filled by the axial cross

Farinacci & Howe catalog pages: C. eodela *

Search data:
TagsLITHS: placolith, elliptical, CA: cross-axial, ca_disjunct, closed,
CSPH: equant, monomorphic, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 5->10µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP11 zone (53.70-54.17Ma, top in Ypresian stage). Data source: Shamrock & Watkins 2012
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: Shamrock & Watkins 2012

Plot of occurrence data:

References:

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

Shamrock, J. L. & Watkins, D. K. (2012). Eocene calcareous nannofossil biostratigraphy and community structure from Exmouth Plateau, Eastern Indian Ocean (ODP Site 762). Stratigraphy. 9(1): 1-11. gs


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Campylosphaera eodela compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 28-2-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=228 Go to Archive.is to create a permanent copy of this page - citation notes



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