Calculites sarstedtensis


Classification: Mesozoic -> Holococcoliths -> Common genera -> Calculites -> Calculites sarstedtensis
Sister taxa: C. additus, C. anfractus, C. axosuturalis, C. cenomanicus, C. cyclops, C. favosus, C. juliae, C. maghredaswampensis, C. obscurus, C. ovalis, C. paulus, C. percernis, C. proscissus, C. rosalyniae, C. turonicus, C. sarstedtensis, C. suturus, C. sp.,


Taxonomy:

Citation: Calculites sarstedtensis Crux, 1987
Rank: Species

Farinacci & Howe catalog pages: Calculites sarstedtensis *


Morphology remarks: "A species of Calculites with a thin outer rim and up to eight depressions in the distal surface arranged around a central boss or spine base," [Crux 1987] 

Size: Length of coccolith 3.4-4.0 µm (five specimens measured). [Crux 1987]

Geological Range:
Last occurrence (top): within Late Hauterivian Substage (130.77-133.09Ma, top in Hauterivian stage). Data source: Crux, 1987 (original description)
First occurrence (base): within Late Hauterivian Substage (130.77-133.09Ma, base in Hauterivian stage). Data source: Crux, 1987 (original description)

Plot of occurrence data:

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

    References:

    Crux, J. A. (1987c). Six new species of calcareous nannofossils from the Lower Cretaceous strata of England and Germany. INA Newsletter. 9: 30-35. gs

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    Calculites sarstedtensis compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 9-12-2019

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