Globorotalia gigantea

NB TAXA WHICH ORIGINATE IN THE OLIGOCENE ARE NOT INCLUDED YET
Classification: pf_neogene -> Globorotalidae -> Globorotalia -> hirsuta lineage -> Globorotalia gigantea
Sister taxa: G. challengeri, G. cibaoensis, G. gigantea, G. hirsuta, G. juanai, G. margaritae, G. margaritae evoluta, G. praemargaritae, G. praescitula, G. primitiva, G. scitula, G. theyeri,

Taxonomy

Citation: Globorotalia gigantea Blow, 1969
Rank: species
Basionym: Globorotalia scitula gigantea

Catalog entries: Globorotalia scitula gigantea;

Type images:

Description


Diagnostic characters: Large, medium to low trochospiral, equatorial periphery slightly lobulate with keel-like rim

Aperture: : Interiomarginal umbilical-extraumbilical low slit bordered by a pronounced lip [Aze 2011, based on D. R. M. Stewart unpublished data]


Wall type: Non-spinose; Smooth [Aze 2011]

Biogeography and Palaeobiology


Isotope paleobiology: Aze et al. 2011 ecogroup 4 - Open ocean sub-thermocline. Based on very light ∂13C and very heavy ∂18O. Sources cited by Aze et al. 2011 (appendix S3): this study

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within PT1a subzone (0.61-1.88Ma, top in Ionian stage). Data source: Aze et al. 2011
First occurrence (base): within PT1a subzone (0.61-1.88Ma, base in Gelasian stage). Data source: Aze et al. 2011

Plot of occurrence data:

References:

Aze, T.; Ezard, T.H.G.; Purvis, A.; Coxall, H.K.; Stewart, D.R.M.; Wade, B.S. & Pearson, P.N.P., (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews, 86: 900-927.

Blow, W.H., (1969). Late middle Eocene to Recent planktonic foraminiferal biostratigraphy. In: Bronnimann, P. and Renz, H.H. (Editors), Proceedings of the First International Conference on Planktonic Microfossils, Geneva, 1967, Leiden, Netherlands, pp. 380-381.


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Globorotalia gigantea compiled by the pforams@mikrotax project team viewed: 20-9-2017

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AphiaID: 1026383 Nomenclatural data on WoRMS
Go to Archive.is to create a permanent copy of this page - citation notes



AphiaID: 1026383 Nomenclatural data on WoRMS
Go to Archive.is to create a permanent copy of this page - citation notes

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