Heliolithus knoxii


Classification: Coccolithophores -> Discoasterales -> Heliolithaceae -> Heliolithus -> Heliolithus knoxii
Sister taxa: H. aktasii, H. bukryi, H. cantabriae, H. kleinpellii, H. knoxii, H. riedelii, H. sp.,

Taxonomy:

Citation: Heliolithus knoxii Steurbaut, 1998
Rank: Species

Distinguishing features: Heliolith with two birefringent cycles: a broad, thin cycle and a tall, narrower cycle, around half of the width of the wider cycle.

Farinacci & Howe catalog pages: H. knoxii [no catalog entry yet]

Search data:
TagsLITHS: nannolith-radiate, circular, star-shaped, CROSS-POLARS: V-prominent, R-prominent,
MetricsLith size: 0->0┬Ám;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within NP8 zone (57.21-58.70Ma, top in Thanetian stage). Data source: PRB entry to Nannotax
First occurrence (base): within NP7 zone (58.70-58.97Ma, base in Thanetian stage). Data source: PRB entry to Nannotax

Plot of occurrence data:

References:

Steurbaut, E. (1998). High–resolution holostratigraphy of Middle Paleocene to Early Eocene strata in Belgium and adjacent areas. Palaeontographica Abteilung A Palaeozoologie Stratigraphie. 247: 91-256. gs


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Heliolithus knoxii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 1-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=703 Go to Archive.is to create a permanent copy of this page - citation notes



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