Nannotax3 - ntax_cenozoic - Discorhabdus ignotus Nannotax3 - ntax_cenozoic - Discorhabdus ignotus

Discorhabdus ignotus


Classification: ntax_cenozoic -> Mesozoic Survivors -> Biscutaceae -> Discorhabdus -> Discorhabdus ignotus
Sister taxa: D. ignotus, D. sp.

Taxonomy:

Citation: Discorhabdus ignotus (Górka, 1957) Perch-Nielsen, 1968
taxonomic rank: Species
Basionym: Tremalithus ignotus Górka, 1957
Taxonomic discussion: D. ignotus is not usually regarded as survivor species but Mai 1997 illustrated several good coccospheres from above the K/Pg boundary in Maastricht, and specimens with strange malformation - listed here as Discorhabdus sp.

Farinacci & Howe catalog pages:

See also: Discorhabdus ignotus - main entry for the species, in the Mesozoic catalog;

Search data:
LITHS: placolith, circular, CA: process, closed, CROSS-POLARS: rim-unicyclic, V-prominent,
Lith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Danian Stage (61.61-66.04Ma, top in Danian stage). Data source:
First occurrence (base): within JUrassic Period (143.10-201.36Ma, base in Hettangian stage). Data source:

Plot of occurrence data:

References:

Górka, H. (1957). Les Coccolithophoridés du Maestrichtien supérieur de Pologne. Acta Palaeontologica Polonica. 2: 239-284. gs

Mai, H. (2001). New coccolithophorid taxa fom the Guelhemmerberg airshaft. Lower Paleocene, The Netherlands. Micropaleontology. 47: 144-154. gs

Mai, H., von Salis, K., Willems, H. & Romein, A. J. T. (1997). Fossil coccospheres from the K/T boundary section from Geulhemmerberg, The Netherlands. Micropaleontology. 43: 281-303. gs

Perch-Nielsen, K. (1968). Der Feinbau und die Klassifikation der Coccolithen aus dem Maastrichtien von Danemark. Biologiske Skrifter, Kongelige Danske Videnskabernes Selskab. 16: 1-96. gs


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Discorhabdus ignotus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-6-2024

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1680 Go to Archive.is to create a permanent copy of this page - citation notes
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