Boletuvelum


Classification: 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: (blue => in age window 0-800Ma)
Biscutum-like coccoliths with large, hollow, flaring spines, closed distally by a domed covering.
Biscutum-like species with spines varying from low and simple, to tall hollow and distally covered
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: process, V-UNITS: V-prominent, DETAILS: ca_disjunct,
MetricsLith size: 3.5->6┬Ám;
Sources: 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 :: ::

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 :: view :: open


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Boletuvelum compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-8-2020

Taxon Search:
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Short stable page link: http://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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