Biscutum virginica


Classification: Mesozoic -> Podorhabdales -> Biscutaceae -> Biscutum -> Biscutum virginica
Sister taxa: B. constans, B. ellipticum ⟩⟨ B. coronum, B. dekaenelii, B. magnum, B. melaniae ⟩⟨ B. arrogans, B. asymmetricum, B. boletum, B. dissimilis, B. zulloii ⟩⟨ B. hattneri, B. notaculum, B. virginica ⟩⟨ B. gaultensis, B. thurowii ⟩⟨ B. davyi, B. depravatum, B. dorsetensis, B. dubium, B. erismatum, B. grande, B. intermedium, B. planum, B. profundum, B. sp.

Distinguishing features: Small (4-5 µm), parallel-sided, closed central area.


Taxonomy:

Citation: Biscutum virginica (Bukry, 1969) Wind & Wise in Wise & Wind, 1977
Rank: Species
Basionym: Watznaueria virginica Bukry, 1969

Farinacci & Howe catalog pages: W. virginica *

Distinguishing features: Small (4-5 µm), parallel-sided, closed central area.

Search data:
TagsLITHS: placolith, elliptical, CA: ca_disjunct, closed, CROSS-POLARS: rim-bicyclic, V-prominent, R-prominent,
MetricsLith size: 4->5µm;
Data source notes: original description
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Santonian Stage (83.64-86.26Ma, top in Santonian stage). Data source: Burnett 1998
First occurrence (base): within Coniacian Stage (86.26-89.77Ma, base in Coniacian stage). Data source: Burnett 1998

Plot of occurrence data:

References:

Bukry, D. (1969). Upper Cretaceous coccoliths from Texas and Europe. University of Kansas Paleontological Contributions, Articles. 51 (Protista 2): 1-79. gs V O

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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Biscutum virginica compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 24-11-2020

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Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10094 Go to Archive.is to create a permanent copy of this page - citation notes



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