Braarudosphaera hockwoldensis


Classification: Mesozoic -> Braarudosphaerales -> Braarudosphaeraceae -> Braarudosphaera -> Braarudosphaera hockwoldensis
Sister taxa: B. amputans, B. batilliformis, B. bigelowii, B. pseudobatilliformis, B. turbinea, B. wendlerae, B. stenorhetha, B. africana, B. hockwoldensis, B. primula, B. regularis, B. quinquecostata, B. sp.,

Distinguishing features: Braarudosphaera with very shallow indentations where the sutures meet the lith edge.


Taxonomy:

Citation: Braarudosphaera hockwoldensis Black, 1973
Rank: Species
Notes & discussion: According to Lambert (1986) this is not a real species but a preservational variant of B. africana produced by breakage of elevated B. africana specimens

Farinacci & Howe catalog pages: Braarudosphaera hockwoldensis * , ,

Distinguishing features: Braarudosphaera with very shallow indentations where the sutures meet the lith edge.


Morphology remarks: B. africana is very similar but has deeper indentations and arguably is a senior synonym

Geological Range:
Last occurrence (top): within Cenomanian Stage (93.90-100.50Ma, top in Cenomanian stage). Data source: [PRB rough estimate]
First occurrence (base): within Late Aptian Substage (112.95-122.98Ma, base in Aptian stage). Data source: Kennedy et al. 2000

Plot of occurrence data:

  • (NB There is no histogram as there are no occurrence records for the taxon in the Neptune database) Parent: Braarudosphaera

    References:

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


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    Braarudosphaera hockwoldensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10104 Go to Archive.is to create a permanent copy of this page - citation notes



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