Tetrapodorhabdus shawensis


Classification: ntax_mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Tetrapodorhabdus -> Tetrapodorhabdus shawensis
Sister taxa: T. coptensis, T. decorus, T. shawensis, T. sp.

Distinguishing features: Podorhabdid with central area spanned by asymmetric diagonal cross.


Taxonomy:

Citation: Tetrapodorhabdus shawensis Medd, 1979
Rank: Species

Farinacci & Howe catalog pages: T. shawensis *

Distinguishing features: Podorhabdid with central area spanned by asymmetric diagonal cross.

Search data:
TagsLITHS: placolith, elliptical, CA: ca_disjunct, process, diagonal cross, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 4->7µm;
Data source notes: illustrated specimens +/- 1 µm
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of NJ11 zone (100% up, 166.4Ma, in Bathonian stage). Data source: Bown & Cooper 1998 (fig. 4) - secondary events
First occurrence (base): at base of NJ11 zone (0% up, 168.7Ma, in Bajocian stage). Data source: Bown & Cooper 1998 (fig. 4) - secondary events

Plot of occurrence data:

References:

Bown, P. R. & Cooper, M. K. E. (1998). Jurassic. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 34-85. gs

Medd, A. W. (1979). The Upper Jurassic coccoliths from the Haddenham and Gamlingay boreholes (Cambridgeshire, England). Eclogae Geologicae Helvetiae. 72: 19-109. gs V O


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Tetrapodorhabdus shawensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11209 Go to Archive.is to create a permanent copy of this page - citation notes



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