Zeugrhabdotus cooperi


Classification: Mesozoic -> Eiffellithales -> Chiastozygaceae -> Zeugrhabdotus -> Zeugrhabdotus cooperi
Sister taxa: Z. acanthus, Z. angelozziae, Z. bicrescenticus, Z. biperforatus, Z. blowii, Z. burolletii, Z. burwellensis, Z. clarus, Z. cooperi, Z. diplogrammus, Z. elegans, Z. embergeri, Z. erectus, Z. fissus, Z. fluxus, Z. howei, Z. kerguelenensis, Z. moulladei, Z. noeliae, Z. petrizzoae, Z. praesigmoides, Z. reticulatus, Z. scutula, Z. sigmoides, Z. simplex, Z. sisyphus, Z. streetiae, Z. trivectis, Z. xenotus, Z. sp.,

Distinguishing features: Medium to large Zeugrhabdotus with broad, high rim and narrow central area spanned by a diamond-shaped transverse bar. Bicyclic rim image in XPL.


Taxonomy:

Citation: Zeugrhabdotus cooperi Bown, 1992
Rank: Species

Farinacci & Howe catalog pages: Zeugrhabdotus cooperi *

Distinguishing features: Medium to large Zeugrhabdotus with broad, high rim and narrow central area spanned by a diamond-shaped transverse bar. Bicyclic rim image in XPL.

Geological Range:
Last occurrence (top): within Valanginian Stage (133.88-139.39Ma, top in Valanginian stage). Data source: Bown et al. 1998
First occurrence (base): within Early Tithonian Substage (147.72-152.06Ma, base in Tithonian stage). Data source: Bown et al. 1998

Plot of occurrence data:

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

    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

    Bown, P. R. (1992). New calcareous nannofossil taxa from the Jurassic/Cretaceous boundary interval of Sites 765 and 261, Argo Abyssal Plain. Proceedings of the Ocean Drilling Program. Scientific Results. 123: 369-379. gs

    Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs


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    Zeugrhabdotus cooperi compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 12-12-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11328 Go to Archive.is to create a permanent copy of this page - citation notes



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