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 0-300Ma)
Large coccoliths with narrow rim and wide, vacant central area. The rim appears bicyclic in XPL and the outer edge of the brighter inner cycle is distinctly beaded.
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.

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Total of range of species in this database
First occurrence (base): within Tithonian Stage (145.01-152.06Ma, base 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. (Editor), Calcareous nannofossil biostratigraphy. British Micropalaeontological Society Publication Series. Chapman & Hall, pp. 86-131.

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

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


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Manivitella compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-7-2018

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