Scyphosphaera pulcherrima


Ancestry: Coccolithophores -> Zygodiscales -> Pontosphaeraceae -> Scyphosphaera -> Scyphosphaera pulcherrima
Sister taxa: S. apsteinii, S. brevis, S. campanula, S. globulata, S. hamptonii, S. hemirana, S. intermedia, S. lagena, S. porosa, S. pulcherrima, S. tubifera, S. ventriosa, S. columella, S. expansa, S. interstincta, S. olla, S. tercisensis, S. tubicena, S. sp.,

Short diagnosis: Opening wide and with well developed collar.


Taxonomy:

Citation: Scyphosphaera pulcherrima Deflandre, 1942
Rank: Species
Variants:

Farinacci & Howe catalog pages: Scyphosphaera amphora * Scyphosphaera darraghi * Scyphosphaera halldali * Scyphosphaera pulcherrima *

Short diagnosis: Opening wide and with well developed collar.

Geological Range:
Notes: LO has been used as a biostratigraphic marker in the Pleistocene (more detail welcome!)
Last occurrence (top): within NN19 zone (0.44-1.93Ma, top in Ionian stage). Data source: Young 1998
First occurrence (base): within NN6 zone (11.90-13.53Ma, base in Serravallian stage). Data source: Young 1998

Plot of occurrence data:

References:

Deflandre, G. & Fert, C., (1954). Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. Annales de Paléontologie, 40: 115-176.

Deflandre, G., (1942). Coccolithophoridés fossiles d'Oranie. Genres Scyphosphaera Lohmann et Thorosphaera Ostenfeld. Société d'Histoire Naturelle de Toulouse; Bulletin, 77: 125-137.

Rade, J., (1975). Scyphosphaera evolutionary trends with special reference to eastern Australia. Micropaleontology, 21: 151-165.

Young, J.R., (1998). Neogene. In: Bown, P.R. (Editor), Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publications Series. Chapman & Hall, London, pp. 225-265.


Nannotax3 - Coccolithophores - Scyphosphaera pulcherrima by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 29-6-2017

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Mike Styzen (Noble Energy, US)
Pleistocene Marker GOM: On the charts I published for the Gulf of Mexico (Styzen 1996, Styzen and Jolley 2008) I have a marker (NP 1.65 in the Shell US nomanclature) based on the extinction of (what I identify as) this species. It is the first downhole occurence of a nice vase shaped Scyphosphaera. From the looks of things The age dates assigned to this part of the section on the 2008 chart (available in Time Scale Creator Pro) are a little off. The event falls between the extinctions of Helicosphaera sellii (see my remarks on that too) and that of \large"Gephyrocapsa (which is an event I've never been able to get to work very well). That would put it between 1.34 and 1.46 ma on the Gradstein, Ogg and Smith timescale. If you look at my comment under small Gephyrocapsa you will see that there is also an acme event for that group in this same interval. The event based on S. pulcherrima is the older of the two, very close to the level of the extinction of H. sellii. """
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