Gephyrobiscutum diabolum


Classification: Mesozoic -> Podorhabdales -> Biscutaceae -> Gephyrobiscutum -> Gephyrobiscutum diabolum
Sister taxa: G. diabolum, G. sp.,

Distinguishing features: Biscutacean placolith with bicyclic rim and narrow central-area spanned by an oblique transverse bar.


Taxonomy:

Citation: Gephyrobiscutum diabolum Wise, 1988
Rank: Species

Farinacci & Howe catalog pages: Gephyrobiscutum diabolum *

Distinguishing features: Biscutacean placolith with bicyclic rim and narrow central-area spanned by an oblique transverse bar.


Morphology remarks: Austral biogeographic distribution, but rarely reported.

Geological Range:
Last occurrence (top): within Campanian Stage (72.05-83.64Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): within Campanian Stage (72.05-83.64Ma, base in Campanian stage). Data source: Burnett 1998

Plot of occurrence data:

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

    References:

    Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 132-199. gs

    Wise, S. W. (1988). Mesozoic-Cenozoic history of calcareous nannofossils in the region of the Southern Ocean. Palaeogeography Palaeoclimatology Palaeoecology. 67: 157-179. gs

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    Gephyrobiscutum diabolum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 7-12-2019

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