Gompholithus magnus


Classification: Coccolithophores -> Discoasterales -> Fasciculithaceae -> Gompholithus -> Gompholithus magnus
Sister taxa: G. magnicordis, G. magnus,

Distinguishing features: Large, cylindrical fasciculith that narrows sharply around half way up the column, forming a shoulder.


Taxonomy:

Citation: Gompholithus magnus (Bukry & Percival, 1971) Aubry in Aubry et al. 2011
Rank: Species
Basionym: Fasciculithus magnus Bukry & Percival, 1971

Farinacci & Howe catalog pages: Fasciculithus magnus *

Distinguishing features: Large, cylindrical fasciculith that narrows sharply around half way up the column, forming a shoulder.


Size: According to Romein (1979) F. magnus is larger (10-12 µm diamier) than F. magnicordis (8-10 µm) however the specimens illustrated by other author overlap in size.

Search data:
TagsLITHS: nannolith-radiate, cylindrical, circular,
CSPH: not known, V-UNITS: none, R-UNITS: all, DETAILS: isogyres radial,
MetricsLith size: 6->10µm;
Sources: size (width) from Monechi et al. 2012 & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): in lower part of NP4 zone (30% up, 62.7Ma, in Selandian stage). Data source: Monechi et al. (2013, fig 6)
First occurrence (base): in lower part of NP4 zone (15% up, 63Ma, in Danian stage). Data source: Monechi et al. (2013, fig 6)

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: Gompholithus magnus, synonyms included - Fasciculithus magnus; space-time plot :: Samples map :: Parent: Gompholithus

    References:

    Aubry, M. P., Bord, D. & Rodriguez, O. (2011). New taxa of the Order Discoasterales Hay 1977. Micropaleontology. 57(3): 269-287. gs

    Bukry, D. & Percival, S. F. (1971). New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology. 8: 123-146. gs

    Monechi, S., Reale, V., Bernaola, G. & Balestra, B. (2013). The Danian/Selandian boundary at Site 1262 (South Atlantic) and in the Tethyan region: Biomagnetostratigraphy, evolutionary trends in fasciculiths and environmental effects of the Latest Danian Event. Marine Micropaleontology. 98(1): 28-40. gs

    Perch-Nielsen, K. (1985a). Cenozoic calcareous nannofossils. In, Bolli, H. M. , Saunders, J. B. & Perch-Nielsen, K. (eds) Plankton Stratigraphy. Cambridge University Press, Cambridge 427-555. gs


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    Gompholithus magnus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-6-2019

    Taxon Search:
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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=631 Go to Archive.is to create a permanent copy of this page - citation notes



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