Nannotax3 - ntax_mesozoic - Percivalia imperfossa Nannotax3 - ntax_mesozoic - Percivalia imperfossa

Percivalia imperfossa


Classification: ntax_mesozoic -> Eiffellithales -> Rhagodiscaceae -> Percivalia -> Percivalia imperfossa
Sister taxa: P. arata, P. bullata, P. dunkleyjonesii, P. fenestrata, P. hauxtonensis, P. howardii, P. imperfossa, P. pearsonii, P. pontilitha, P. porosa, P. nebulosa, P. sp.


Taxonomy:

Citation: Percivalia imperfossa Black, 1971
taxonomic rank: Species
Synonyms:

Parhabdolithus imperfossus (Black 1971) Lambert 1987 

Farinacci & Howe catalog pages: P. imperfossa *

Search data:
LITHS: murolith, elliptical, CA: closed, plate, CROSS-POLARS: R-prominent, rim-unicyclic,
Lith size: 7->9µm;
Data source notes: original description +/-0.5µm
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Cenomanian Stage (93.90-100.50Ma, top in Cenomanian stage). Data source: Burnett 1998
First occurrence (base): within Hauterivian Stage (126.50-132.60Ma, base in Hauterivian stage). Data source: Burnett 1998

Plot of occurrence data:

References:

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

Black, M. (1973). British Lower Cretaceous Coccoliths. I-Gault Clay (Part 2). Palaeontographical Society Monograph. 127: 49-112. gs

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

Lambert, B. (1987). Nannofossiles calcaires de l'Albien supérieur et du Vraconnien du Cameroun méridional. Cahiers de Micropaléontologie. 2(2): 33-60. gs O

Lambert, B. (1993). Nannofossiles calcaires de l'Albien supérieur et du Vraconnien du Cameroun méridional (Deuxième Partie). Cahiers de Micropaléontologie. 8(2): 183-225. gs


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Percivalia imperfossa compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 11-12-2024

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10877 Go to Archive.is to create a permanent copy of this page - citation notes
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