Isthmolithus sp.


Classification: ntax_cenozoic -> Zygodiscales -> Zygodiscaceae -> Isthmolithus -> Isthmolithus sp.
Sister taxa: I. recurvus, I. rhenanus, I. unipons, I. sp.

Taxonomy:

Citation: Isthmolithus sp.
Rank: generic level id
Taxonomic discussion: NB Extant specimens illustrated by Norris (1971) as Isthmolithus? sp. are diatoms.

Distinguishing features: Specimens which cannot be assigned to any established species

Farinacci & Howe catalog pages:

Search data:
TagsLITHS:
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 NP22 zone (32.02-32.92Ma, top in Rupelian stage). Data source: same as genus
First occurrence (base): within NP19-20 zone (34.44-36.97Ma, base in Priabonian stage). Data source: same as genus

Plot of occurrence data:

References:

Norris, R. E. (1971). Extant calcareous nannoplankton from the Indian Ocean. In, Farinacci, A. (ed.) Proceedings of the Second Planktonic Conference Roma 1970. E. J. Brill, Leiden 899-910. gs


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Isthmolithus sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=771 Go to Archive.is to create a permanent copy of this page - citation notes



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