Zeugrhabdotus kerguelenensis


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

Distinguishing features: Unicyclic, large; with very broad spine, often seen in side view; broad rim/small openings


Taxonomy:

Citation: Zeugrhabdotus kerguelenensis Watkins, 1992
Rank: Species

Farinacci & Howe catalog pages: Zeugrhabdotus kerguelenensis *

Distinguishing features: Unicyclic, large; with very broad spine, often seen in side view; broad rim/small openings


Morphology remarks: Similar to Zeugrhabdotus embergeri in size but with very large spine, and unicyclic rim.

Search data:
TagsLITHS: murolith, CA: process, bar, V-UNITS: V-prominent, DETAILS: ca_disjunct, rim-unicyclic,
MetricsLith size: 8->11┬Ám;
Sources: original description
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Santonian Stage (83.64-86.26Ma, top in Santonian stage). Data source: orginal description
First occurrence (base): at base of UC9b subzone (0% up, 90.7Ma, in Turonian stage). Data source: Burnett 1998, fig.6.3

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. (2005c). Early to Mid-Cretaceous Calcareous Nannoplankton from the Northwest Pacific Ocean, Leg 198, Shatsky Rise. Proceedings of the Ocean Drilling Program. Scientific Results. 198: 1-82. gs

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

    Watkins, D. K. (1992). Upper Cretaceous nannofossils from Leg 120, Kergeulen Plateau, Southern Ocean. Proceedings of the Ocean Drilling Program. Scientific Results. 120: 343-370. gs


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    Zeugrhabdotus kerguelenensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 25-2-2020

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11336 Go to Archive.is to create a permanent copy of this page - citation notes



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