Gompholithus magnicordis


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

Distinguishing features: Medium-sized species (H ca 7 µm, W ca 9 µm) with flat cylindrical outline, consisting of 20 to 30 wedges with a smooth outer surface and a large and deep distal depression with central body.


Taxonomy:

Citation: Gompholithus magnicordis (Romein, 1979) Aubry in Aubry et al. 2011
Rank: Species
Basionym: Fasciculithus magnicordis Romein, 1979
Notes & discussion: The name magnicordis, means "large heart" in reference to the relatively prominent central body (Romein 1979).

Farinacci & Howe catalog pages: Fasciculithus magnicordis *

Distinguishing features: Medium-sized species (H ca 7 µm, W ca 9 µm) with flat cylindrical outline, consisting of 20 to 30 wedges with a smooth outer surface and a large and deep distal depression with central body.

Search data:
TagsLITHS: nannolith-radiate, cylindrical, circular,
CSPH: not known, V-UNITS: none, R-UNITS: all, DETAILS: isogyres radial,
MetricsLith size: 7->10µm;
Sources: size (width) from OD & slightly extended
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 magnicordis, synonyms included - Fasciculithus magnicordis; 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

    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

    Romein, A. J. T. (1979). Lineages in Early Paleogene calcareous nannoplankton. Utrecht Micropaleontological Bulletin. 22: 231-. gs

    Steurbaut, E. & Sztrákos, K. (2008). Danian/Selandian boundary criteria and North Sea Basin–Tethys correlations based on calcareous nannofossil and foraminiferal trends in SW France. Marine Micropaleontology. 67: 1-29. gs


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

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    Short stable page link: http://mikrotax.org/Nannotax3/index.php?id=630 Go to Archive.is to create a permanent copy of this page - citation notes



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