Zeugrhabdotus fissus


Classification: ntax_mesozoic -> Eiffellithales -> Chiastozygaceae -> Zeugrhabdotus -> Zeugrhabdotus fissus
Sister taxa: Z. blowii, Z. burolletii, Z. burwellensis, 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. kerguelenensis, Z. large spine, Z. clubhousensis ⟩⟨ 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, small; bar divided longitudinally, darkest at 0°


Taxonomy:

Citation: Zeugrhabdotus fissus Grün & Zweili, 1980
Rank: Species
Taxonomic discussion: Morphology similar to Z. blowii but the reported ranges are very different  (Oxfordian-Valangian vs Turonian-Campanian)

Farinacci & Howe catalog pages: Z. fissus *

Distinguishing features: Unicyclic, small; bar divided longitudinally, darkest at 0°

Search data:
TagsLITHS: murolith, ca_disjunct, process, bar, CROSS-POLARS: rim-unicyclic, V-prominent,
MetricsLith size: 3->6µm;
Data source notes: original description & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Late Valanginian Substage (133.88-136.41Ma, top in Valanginian stage). Data source: Bown & Cooper 1998
First occurrence (base): within Oxfordian Stage (157.25-163.47Ma, base in Oxfordian stage). Data source: Bown & Cooper 1998

Plot of occurrence data:

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. (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 V O

Grün, W. & Zweili, F. (1980). Das kalkige Nannoplankton der Dogger-Malm-Grenze im Berner Jura bei Liesberg (Schweiz). Jahrbuch der Geologischen Bundesanstalt. 123: 231-341. gs V O

Kristan-Tollmann, E. (1988b). Coccolithen aus den Älteren Allgäuschichten (Alpiner Lias, Sinemur) von Timor, Indonesien. Geologisch-Paläontologische Mitteilungen Innsbruck. 15: 71-83. gs V O


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Zeugrhabdotus fissus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 19-1-2021

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=11333 Go to Archive.is to create a permanent copy of this page - citation notes



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