Crucicribrum


Classification: Mesozoic -> Arkhangelskiales -> Kamptneriaceae -> Crucicribrum
Sister taxa: Crucicribrum, Gartnerago, Kamptnerius, Senilatus,

Distinguishing features: Tiered coccoliths with perforate central-area plate and axial cross and/or sutures.


Daughter taxa: (blue => in age window 0-800Ma)
Tiered placoliths with perforate central-area plate and axial cross.
Specimens not identified to species level

Taxonomy:

Citation: Crucicribrum Black, 1973
Rank: Genus
Type species: Crucicribrum anglicum Black, 1973.

Farinacci & Howe catalog pages: Crucicribrum *

Distinguishing features: Tiered coccoliths with perforate central-area plate and axial cross and/or sutures.

Geological Range:
Last occurrence (top): at top of Albian Stage (100% up, 100.5Ma, in Albian stage). Data source: Total of range of species in this database
First occurrence (base): in lower part of Albian Stage (22% up, 110.2Ma, in Albian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

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


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Crucicribrum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 23-9-2019

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10324 Go to Archive.is to create a permanent copy of this page - citation notes



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