Perissocyclus noeliae


Classification: Mesozoic -> Podorhabdales -> Axopodorhabdaceae -> Perissocyclus -> Perissocyclus noeliae
Sister taxa: P. fenestratus, P. liesbergensis, P. noeliae, P. plethotretus, P. tayloriae, P. sp.,

Distinguishing features: Small to medium Perissocyclus (~5µm) with central area grill with less than 10 (originally described as 5-9) perforations in the outer ring.


Taxonomy:

Citation: Perissocyclus noeliae Black, 1971
Rank: Species
Variants: Octopodorhabdus oculisminutis Grün & Zweili (1980) - holes possibly smaller [my interpretation JRYoung 2106]

Farinacci & Howe catalog pages: Perissocyclus noelae + * , Octopodorhabdus oculisminutis * ,

Distinguishing features: Small to medium Perissocyclus (~5µm) with central area grill with less than 10 (originally described as 5-9) perforations in the outer ring.


Morphology remarks: Wind & Cepek (1979) give long description

Geological Range:
Last occurrence (top): within Hauterivian Stage (130.77-133.88Ma, top in Hauterivian stage). Data source: original description
First occurrence (base): within Hauterivian Stage (130.77-133.88Ma, base in Hauterivian stage). Data source: original description

Plot of occurrence data:

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

    References:

    Black, M. (1971a). Coccoliths of the Speeton Clay and Sutterby Marl. Proceedings of the Yorkshire Geological Society. 38: 381-424. gs

    GrĂ¼n, 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

    Wind, F. H. & Cepek, P. (1979). Lower Cretaceous calcareous nannoplankton from DSDP Hole 397A (northwest African Margin). Initial Reports of the Deep Sea Drilling Project. 47A: 221-235. gs


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    Perissocyclus noeliae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10885 Go to Archive.is to create a permanent copy of this page - citation notes



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