Broinsonia dentata


Classification: Mesozoic -> Arkhangelskiales -> Arkhangelskiellaceae -> Broinsonia -> Broinsonia dentata
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 lateral bars


Taxonomy:

Citation: Broinsonia dentata Bukry, 1969
Rank: Species
Variants: Broinsonia handfieldi Bukry, 1969 (longitudinal cross bars taper at the ends to give lozenge-shaped central structure)
Broinsonia orthocancellata Bukry, 1969 (lateral bars thicker)

Farinacci & Howe catalog pages: Broinsonia dentata * , Broinsonia handfieldii * , Broinsonia orthocancellata *

Distinguishing features: axial cross with lateral bars

Geological Range:
Last occurrence (top): within Campanian Stage (72.05-83.64Ma, top in Campanian stage). Data source: Burnett 1998
First occurrence (base): within Campanian Stage (72.05-83.64Ma, base in Campanian 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 dentata, synonyms included - Broinsonia dentata; Broinsonia handfieldii; Broinsonia orthocancellata;
  • space-time plot :: Samples map :: Parent: Broinsonia

    References:

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

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

    Roth, P. H. & Thierstein, H. R. (1972). Calcareous nannoplankton: Leg 14 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 12: 546-559. gs

    Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gs


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    Broinsonia dentata compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 17-10-2019

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=10120 Go to Archive.is to create a permanent copy of this page - citation notes



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