Discorhabdus watkinsii


Classification: Mesozoic -> Podorhabdales -> Biscutaceae -> Discorhabdus -> Discorhabdus watkinsii
Sister taxa: D. biradiatus, D. corollatus, D. criotus, D. hannibalis, D. ignotus, D. patulus, D. striatus, D. watkinsii, D. sp.,

Distinguishing features: Species with low broad open protrusion and reduced proximal shield,


Taxonomy:

Citation: Discorhabdus watkinsii Bergen in Bralower & Bergen 1998
Rank: Species

Farinacci & Howe catalog pages: Discorhabdus watkinsii *

Distinguishing features: Species with low broad open protrusion and reduced proximal shield,

Search data:
TagsLITHS: placolith, circular, CA: vacant, V-UNITS: V-prominent, DETAILS: rim-unicyclic,
MetricsLith size: 5->7µm;
Sources: holotype +/- 1µm
The morphological data given here can be used on the advanced search page. See also these notes

See also: Darwinilithus pentarhethum - a similar species of the same age, possibly a senior synonym;

Geological Range:
Last occurrence (top): within Cenomanian Stage (93.90-100.50Ma, top in Cenomanian stage). Data source: original description
First occurrence (base): within Cenomanian Stage (93.90-100.50Ma, base in Cenomanian stage). Data source: original description

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Discorhabdus

    References:

    Bralower, T. J. & Bergen, J. A. (1998). Cenomanian-Santonian calcareous nannofossil biostratigraphy of a transect of cores drilled across the Western Interior Seaway. In, Dean, W. E. & Arthur, M. A. (eds) Stratigraphy and paleoenvironments of the Cretaceous Western Interior Seaway. SEPM Concepts in Sedimentology and Paleontology. -. gs :: ::


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    Discorhabdus watkinsii compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 16-7-2020

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10396 Go to Archive.is to create a permanent copy of this page - citation notes



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