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Globigerinoides seigliei Bermudez & Bolli 1969 from: Kennett, J.Srinivasan, M.S. (1983): Neogene Planktonic Foraminifera - A Phylogenetic Atlas.
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Species Globigerinoides seigliei Bermudez & Bolli 1969


Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test large subquadrate, medium to high trochospiral, three subspherical to ovate chambers in the final whorl; sutures radial, depressed; surface coarsely perforate; primary aperture interiomarginal, umbilical, a wide-open asymmetrical arch; supplementary apertures large, high arch situated over sutures of earlier chambers.
Discussion / Comments:
Kennett & Srinivasan (1983):
The morphology of Gs. siegliei closely resembles Gs. ruber from which it seems to have been derived during the Late Miocene by developing somewhat aberrant primary and supplementary apertures.
Bolli & Saunders (1985):
As in G. ruber the primary aperture is symmetrically placed above the suture between the penultimate and antepenultimate chambers, but is larger and wider; the test wall is described as more finely spinose.
Systematics:

1
 Superregnum Eukaryota
  Regnum Protoctista
   Phylum Ciliophora
    Subphylum Postciliodesmatophora
     Ordo Globigerinida
      Superfamilia Globigerinaceae
       Superfamilia Nonionacea
        Familia Globigerinidae
         Genus Globigerinoides
          Species Globigerinoides seigliei
Synonym list:
Kennett & Srinivasan (1983):
1969 Globigerinoides rubra seigliei Bermudez & Bolli. - Bermudez & Bolli : p.164 pl 8 figs 10-12
Chaisson & d'Hondt (2000):
1969 Globigerinoides rubra seigliei Bermudez & Bolli. - Bermudez & Bolli : p.164 pl 8 figs 10-12
1983 Globigerinoides seigliei Bermudez & Bolli. - Kennett & Srinivasan : p.78 pl 17 figs 4-6
1983 Globigerinoides subquadratus Brönnimann. - Kennett & Srinivasan : p.74 pl 16 figs 1-3
Bolli & Saunders (1985):
1969 Globigerinoides rubra seigliei Bermudez & Bolli. - Bermudez & Bolli : p.164 pl.8, figs.10-12
1985 Globigerinoides seigliei Bermudez & Bolli. - Bolli & Saunders : p.193 fig. 20.5
References:

Bermudez,P.J. and Bolli,H.M. (1969):
Consideraciones sobre los sedimentos del Mioceno medio al Reciente de las costas central y oriental de Venezuela . Bol. Geol., Dir. Geol., Minister. Minas Hidrocarb. Vol. 10

Kennett,J. and Srinivasan,M.S. (1983):
Neogene Planktonic Foraminifera - A Phylogenetic Atlas.

Bolli,H.M. and Saunders,J.B. (1985):
Oligocene to Holocene low latitude planktic foraminifers.
In: Plankton Stratigraphy Eds: Bolli, H.M.Saunders, J.B. p. 155-262

Chaisson,W.P. and d'Hondt,S.L. (2000):
Neogene planktonic foraminifer biostratigraphy at Site 999, Western Caribbean Sea.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 165 Eds: Leckie, R.M.Sigurdsson, H.Acton, G.D.Draper, G. p. 19-56
Anonymous: Unedited TaxonConcept data
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