Biscutum melaniae

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

Distinguishing features: Medium to large, broadly elliptical Biscutum with a wide dark shield and a small, highly birefringent closed central area


Citation: Biscutum melaniae (Górka, 1957) Reinhardt, 1969
Rank: Species
Basionym: Tremalithus melaniae Górka, 1957

Farinacci & Howe catalog pages: Biscutum harrisonii * Coccolithus oregus * Conococcolithus panis * Tremalithus melaniae *

Distinguishing features: Medium to large, broadly elliptical Biscutum with a wide dark shield and a small, highly birefringent closed central area

Geological Range:
Notes: LAD is later in N Europe (UC9a) than in Indian Ocean (UC7) - Burnett 1998
Last occurrence (top): within Paleocene Epoch (55.96-66.04Ma, top in Thanetian stage). Data source: Burnett 1998
First occurrence (base): in upper part of UC7 zone (80% up, 93.1Ma, in Turonian stage). Data source: Burnett 1998, fig.6.3

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: Biscutum melaniae, synonyms included - Biscutum harrisonii; Biscutum melaniae; Biscutum panis; Conococcolithus panis; Markalius panis; space-time plot :: Samples map :: Parent: Biscutum


    Burnett, J.A. (1997). New species and new combinations of Cretaceous nannofossils and a note on the origin of Petrarhabdus (Deflandre) Wise & Wind. Journal of Nannoplankton Research, 19(2): 133-146. GS

    Burnett, J.A., (1998). Upper Cretaceous. In: Bown, P.R. (Editor), Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publications Series. Chapman & Hall, London, pp. 132-199. GS

    Edwards, A.R. (1973). Key species of New Zealand calcareous nannofossils. New Zealand Journal of Geology and Geophysics, 16: 68-89. GS

    Górka, H. (1957). Les Coccolithophoridés du Maestrichtien supérieur de Pologne. Acta Palaeontologica Polonica, 2: 239-284. GS

    Reinhardt, P. (1969). Neue Coccolithen-Arten aus der Kreide. Monatsberichte der Deutschen Akademie der Wissenschaften zu Berlin, 11: 932-938. GS

    Varol, O., (1989). Palaeocene calcareous nannofossil biostratigraphy. In: Crux, J.A. and van Heck, S.E. (Editors), Nannofossils and their applications. Ellis Horwood, Chichester, pp. 265-310. GS


    Biscutum melaniae compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 20-5-2019

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