Boletuvelum


Classification: ntax_mesozoic -> Podorhabdales -> Biscutaceae -> Boletuvelum
Sister taxa: Biscutum, Discorhabdus, Similiscutum ⟩⟨ Boletuvelum, Chiastella, Crucibiscutum, Gaarderella, Gephyrobiscutum, Helicorhabdus, Jimenezberrocosoia, Seribiscutum, Sollasites

Distinguishing features: Asymmetric base, with large, hollow, flaring spines, closed distally by a domed covering


Daughter taxa (time control age-window is: 0-800Ma)
Boletuvelum candens
Biscutum-like coccoliths with large, hollow, flaring spines, closed distally by a domed covering.
Palaeopontosphaera patula sensu Lambert 1993
Biscutum-like species with spines varying from low and simple, to tall hollow and distally covered
Boletuvelum sp.
Specimens not identified to species level

Taxonomy:

Citation: Boletuvelum Wind & Wise in Wise & Wind, 1977
Rank: Genus
Type species: Boletuvelum candens Wind & Wise in Wise & Wind, 1977

Farinacci & Howe catalog pages: Boletuvelum *

Distinguishing features: Asymmetric base, with large, hollow, flaring spines, closed distally by a domed covering

Search data:
TagsLITHS: placolith, asymmetric, elliptical, cylindrical, hollow, CA: ca_disjunct, process, CROSS-POLARS: V-prominent,
MetricsLith size: 3.5->6µm;
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): at base of Albian Stage (0% up, 113Ma, in Albian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

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

Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gs V O


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Boletuvelum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-4-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10096 Go to Archive.is to create a permanent copy of this page - citation notes



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