Globorotalia evoluta

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

Taxonomy

Citation: Globorotalia evoluta (Fordham 1986)
Rank: species
Basionym: Globigerinella evoluta Fordham 1986

Catalog entries: Globigerinella evoluta;

Type images:

Description


Diagnostic characters: As H. margaritae but larger with a more symmetrical profile

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: Interiomarginal umbilical-extraumbilical low slit bordered by a pronounced lip [Aze 2011, based on D. R. M. Stewart unpublished data]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 comparison with other species of the genus

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within PL2 zone (3.85-4.37Ma, top in Zanclean stage). Data source: Aze et al. 2011
First occurrence (base): within PL1 [Atl.] zone (4.37-5.72Ma, base in Messinian 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.

Fordham, B.G., (1986). Miocene-Pleistocene planktic foraminifers from D.S.D.P. Sites 208 and 77, and phylogeny and classification of Cenozoic species. Evolutionary Monographs, 6, Queensland, Australia, 224 pp.


Globorotalia evoluta compiled by the pforams@mikrotax project team viewed: 29-5-2017

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