Manivitella


Classification: Mesozoic -> Podorhabdales -> Tubodiscaceae -> Manivitella
Sister taxa: Manivitella, Tubodiscus

Distinguishing features: Tubodiscids with low proximal collar cycle and wide central-area.


Daughter taxa: (blue => in age window 0-800Ma)
Manivitella pemmatoidea
Large to very large (8-15 µm) coccoliths with narrow rim and wide, vacant central area. The rim is bicyclic in XPL and the outer edge of the brighter inner cycle is distinctly beaded.
Manivitella sp.
Specimens not identified to species level

Taxonomy:

Citation: Manivitella Thierstein, 1971
Rank: Genus
Type species: Cricolithus pemmatoideus Deflandre in Manivit, 1965 designated by Thierstein, 1971.

Farinacci & Howe catalog pages: Manivitella + *

Distinguishing features: Tubodiscids with low proximal collar cycle and wide central-area.

Search data:
TagsLITHS: placolith, elliptical, CA: vacant, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 8->16µm;
Data source notes: size range of included species
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Maastrichtian stage). Data source: Total of range of species in this database
First occurrence (base): in upper part of Tithonian Stage (62% up, 147.7Ma, in Tithonian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

Manivit, H. (1965). Nannofossiles calcaires de L'Albo-Aptien. Revue de Micropaléontologie. 8: 189-201. gs

Thierstein, H. R. (1971). Tentative Lower Cretaceous Calcareous Nannoplankton Zonation. Eclogae Geologicae Helvetiae. 64: 459-488. gs V O


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Manivitella compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 27-10-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10627 Go to Archive.is to create a permanent copy of this page - citation notes



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