Axopodorhabdus rahla


Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Axopodorhabdus -> Axopodorhabdus rahla
Sister taxa: A. albianus, A. atavus, A. cylindratus, A. dietzmannii, A. rahla, A. sp.,

Distinguishing features: Axopodorhabdus with spine that has four protrusions forming a distinctive distal calyx. Seen in side view.


Taxonomy:

Citation: Axopodorhabdus rahla (Noël, 1965) Grün and Zweili, 1980
Rank: Species
Basionym: Podorhabdus rahla Noël, 1965

Farinacci & Howe catalog pages: P. rahla *

Distinguishing features: Axopodorhabdus with spine that has four protrusions forming a distinctive distal calyx. Seen in side view.

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

Geological Range:
Last occurrence (top): within NJ15a subzone (158.53-160.84Ma, top in Oxfordian stage). Data source: Bown & Cooper 1998
First occurrence (base): within NJ12a subzone (165.55-166.40Ma, base in Bathonian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

References:

Barnard, T. & Hay, W. W. (1974). On Jurassic coccoliths: A tentative zonation of the Jurassic of Southern England and North France. Eclogae Geologicae Helvetiae. 67(3): 563-585. gs V O

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

de Kaenel, E. & Bergen, J. A. (1996). Mesozoic calcareous nannofossil biostratigraphy from sites 897, 899, and 901, Iberia Abyssal Plain: New biostratigraphic evidence. Proceedings of the Ocean Drilling Program, Scientific Results. 149: 27-59. gs V O

Grün, W. & Zweili, F. (1980). Das kalkige Nannoplankton der Dogger-Malm-Grenze im Berner Jura bei Liesberg (Schweiz). Jahrbuch der Geologischen Bundesanstalt. 123: 231-341. gs V O

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

Noël, D. (1965b). Sur les Coccolithes du Jurassique Européen et d'Afrique du Nord. Éditions du Centre National de la Recherche Scientifique, Paris. 1-209. gs

Rood, A. P., Hay, W. W. & Barnard, T. (1971). Electron Microscope Studies of Oxford Clay Coccoliths. Eclogae Geologicae Helvetiae. 64: 245-272. gs V O


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Axopodorhabdus rahla compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 30-9-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10053 Go to Archive.is to create a permanent copy of this page - citation notes



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