Syracosphaera antiqua


Classification: Mesozoic -> Syracosphaerales -> Syracosphaeraceae -> Syracosphaera -> Syracosphaera antiqua
Sister taxa: S. antiqua, S. repagula, S. sp.,

Distinguishing features: Rim very narrow; rhomboidal central plate 


Taxonomy:

Citation: Syracosphaera antiqua Bown, Lees & Young 2017
Rank: Species

Farinacci & Howe catalog pages: Syracosphaera antiqua * ,

Distinguishing features: Rim very narrow; rhomboidal central plate 


Morphology remarks:

Very small, elliptical, murolith coccoliths with narrow rims and wide central-areas spanned by numerous, short, broad, flat, regularly-spaced, radial laths that surround a broad, granular, rhomboidal central plate.


Size: Length = 1.7 μm, width = 1.3 μm.

Geological Range:
Last occurrence (top): within Turonian Stage (89.77-93.90Ma, top in Turonian stage). Data source: Bown et al. 2017
First occurrence (base): within Turonian Stage (89.77-93.90Ma, base in Turonian stage). Data source: Bown et al. 2017

Plot of occurrence data:

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

    References:

    Bown, P. R., Lees, J. A. & Young, J. R. (2017). On the Cretaceous origin of the Order Syracosphaerales and the genus Syracosphaera. Journal of Micropalaeontology. 36(2): 153-165. gs


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    Syracosphaera antiqua 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=11186 Go to Archive.is to create a permanent copy of this page - citation notes



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