Broinsonia signata


Classification: Mesozoic -> Arkhangelskiales -> Arkhangelskiellaceae -> Broinsonia -> Broinsonia signata
Sister taxa: B. parca, B. enormis, B. furtiva, B. gammation, B. verecundia, B. dentata, B. cenomanica, B. ethmoquadrata, B. signata, B. galloisii, B. matalosa, B. viriosa, B. sp.,

Distinguishing features: axial cross with open quadrants


Taxonomy:

Citation: Broinsonia signata (Noël, 1969) Noël, 1970
Rank: Species
Basionym: Aspidolithus signatus Noël, 1969
Notes & discussion: This is not a very distinctive species and is possibly largely used for B. dentata type cocoliths in which the crossbars are lost due to preservation

Farinacci & Howe catalog pages: Aspidolithus signatus * , ,

Distinguishing features: axial cross with open quadrants

Geological Range:
Last occurrence (top): within Maastrichtian Stage (66.04-72.05Ma, top in Maastrichtian stage). Data source: Burnett 1998
First occurrence (base): within Aptian Stage (112.95-126.30Ma, base in Aptian stage). Data source: Burnett 1998

Plot of occurrence data:

  • Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
  • Note to users in China - the diagram may not plot unless you use a VPN since I use google services on the website. If this is a problem please contact me 谢谢.
  • Taxon plotted: Broinsonia signata, synonyms included - Aspidolithus signatus; Broinsonia lacunosa; Broinsonia signata; space-time plot :: Samples map :: Parent: Broinsonia

    References:

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

    Forchheimer, S. (1972). Scanning electron microscope studies of Cretaceous coccoliths from the Köpingsberg Borehole No. 1, SE Sweden. Sveriges Geologiska Undersökning; Series C. #668, 65: 1-141. gs

    Noël, D. (1969). Arkhangelskiella (coccolithes Crétacés) et formes affines du Bassin de Paris. Revue de Micropaléontologie. 11: 191-204. gs

    Noël, D. (1970). Coccolithes Crétacés: La Craie Campanienne du Bassin de Paris. Éditions du Centre National de la Recherche Scientifique, Paris. -. gs


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    Broinsonia signata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-7-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10131 Go to Archive.is to create a permanent copy of this page - citation notes



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