Parhabdolithus marthae


Classification: Mesozoic -> Stephanolithiales -> Parhabdolithaceae -> Parhabdolithus -> Parhabdolithus marthae
Sister taxa: P. liasicus, P. marthae, P. robustus, P. stubbingsii, P. sp.,

Distinguishing features: Parhabdolithus with very broad, tapering spine.


Taxonomy:

Citation: Parhabdolithus marthae Deflandre in Deflandre & Fert, 1954
Rank: Species

Farinacci & Howe catalog pages: Parhabdolithus marthae *

Distinguishing features: Parhabdolithus with very broad, tapering spine.

Geological Range:
Last occurrence (top): at top of NJ2A subzone (100% up, 196.5Ma, in Sinemurian stage). Data source: Bown & Cooper 1998 (fig 4) - zonal event
First occurrence (base): within NJ2A subzone (196.46-199.50Ma, base in Hettangian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

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

    References:

    Bown, P.R. & Cooper, M.K.E., (1998). Jurassic. In: Bown, P.R. (Editor), Calcareous nannofossil biostratigraphy. British Micropalaeontological Society Publication Series. Chapman & Hall, pp. 34-85.

    Deflandre, G. & Fert, C., (1954). Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. Annales de Paléontologie, 40: 115-176.


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    Parhabdolithus marthae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-12-2018

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    Comments (1)

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    Kevin Cooper (UK)
    I think the stratigraphic range is wrong for this species you have assign it to NJ3 zoned, based on Bown & Cooper 1998. However in that publication it range is give as NJ2a subzone restricted significantly older
    Gravatar
    Jeremy Young (UCL, UK)
    Thanks Kevin - you are of course quite right and I have now corrected this. Please do keep pointing out errors!
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