Hemipodorhabdus


Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Hemipodorhabdus
Sister taxa: Axopodorhabdus, Cribrocorona, Cribrosphaerella, Dodekapodorhabdus, Ethmorhabdus, Hemipodorhabdus, Hexapodorhabdus, Nephrolithus, Octocyclus, Octopodorhabdus, Perissocyclus, Podorhabdus, Psyktosphaera, Teichorhabdus, Tetrapodorhabdus,

Short diagnosis: Elliptical; central area narrow, spanned by a transverse bar.


Daughter taxa (blue => in age window 0-300Ma)
Podorhabdids with narrow central area spanned by a transverse bar bearing a hollow spine.
Specimens not identified to species level

Taxonomy:

Citation: Hemipodorhabdus Black, 1971
Rank: Genus
Type species: Podorhabdus gorkae Reinhardt, 1969, designated by Grün in Grün and Allemann, 1975.

Farinacci & Howe catalog pages: Hemipodorhabdus *

Short diagnosis: Elliptical; central area narrow, spanned by a transverse bar.

Geological Range:
Last occurrence (top): within Turonian Stage (89.77-93.90Ma, top in Turonian stage). Data source: Total of range of species in this database
First occurrence (base): within Berriasian Stage (139.39-145.01Ma, base in Berriasian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Black, M., (1971). Coccoliths of the Speeton Clay and Sutterby Marl. Proceedings of the Yorkshire Geological Society, 38: 381-424.

Bown, P.R.; Rutledge, D.C.; Crux, J.A. & Gallagher, L.T., (1998). Early Cretaceous. In: Bown, P.R. (Editor), Calcareous nannofossil biostratigraphy. British Micropalaeontological Society Publication Series. Chapman & Hall, pp. 86-131.

Grün, W. & Allemann, F., (1975). The Lower Cretaceous of Caravaca (Spain): Berriasian Calcareous Nannoplankton of the Miravetes Section (Subbetic Zone, Prov. of Murcia). Eclogae Geologicae Helvetiae, 68: 147-211.


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Hemipodorhabdus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-1-2018

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