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Species Neogloboquadrina pachyderma Ehrenberg 1861


Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test low trochospiral, equatorial periphery slightly lobulate axial periphery rounded; chambers spherical to ovate, four to four and one-half chambers in the final whorl, increasing rapidly in size as added; closely embracing, final chamber irregular, often a kummerform; sutures on both spiral and umbilical sides radial, depressed; surface distinctly cancellate, thickened specimens have surface covered with euhedral calcite crystals giving rosette pattern surface; umbilicus narrow, deep; aperture interiomarginal, umbilical-extraumbilical, a rather low arch with a thick apertural rim.
Systematics:

1
 Superregnum Eukaryota
  Regnum Protoctista
   Phylum Ciliophora
    Subphylum Postciliodesmatophora
     Ordo Globigerinida
      Superfamilia Globorotaliaceae
       Superfamilia Nonionacea
        Familia Globorotaliidae
         Genus Neogloboquadrina
          Species Neogloboquadrina pachyderma
Synonym list:
Kennett & Srinivasan (1983):
1861 Aristospira pachyderma Ehrenberg. - Ehrenberg : 276,277,303
Chaisson & d'Hondt (2000):
1861 Aristospira pachyderma Ehrenberg. - Ehrenberg : 276,277,303
1983 Neogloboquadrina pachyderma Ehrenberg. - Kennett & Srinivasan : p.192 pl 47 figs 2,6-8
Chaisson & Pearson (1997):
1861 Aristospira pachyderma Ehrenberg. - Ehrenberg : 276, 277, 303
1960 Aristospira pachyderma Ehrenberg. - Banner & Blow : p.4 pl. 3; fig. 4a-c (lectotype)
1983 Neogloboquadrina pachyderma Ehrenberg. - Kennett & Srinivasan : p.192 pl. 47; fig. 2, 6-8
Stratigraphy - absolute ages:
FAD: 9.2 ± 0.5 [Ma], Berggren et al. (1995)
References:

Ehrenberg,C.G. (1861):
Elemente des tiefen Meeresgrundes in Mexikanischen Golfstrome bei Florida; Ueber die Tiefgrund-Verhältnisse des Oceans am Eingang der Davisstrasse und bei Island. . K.Preuss. Akad. Wiss Berlin, Monatsberichte p. 275-315

Banner,F.T. and Blow,W.H. (1960):
Some primary types of species belonging to the superfamily Globigerinaceae . Contributions from the Cushman Foundation for Foraminiferal Research Vol. 11(1) p. 1-41

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

Berggren,W.A.; Kent,D.V.; Swisher,C.C. and Aubry,M.P. (1995):
A revised Cenozoic Geochronology and Chronostratigraphy.
In: Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication Vol. 54

Chaisson,W.P. and Pearson,P.N. (1997):
Planktonic foraminifer biostratigraphy at Site 925: middle Miocene–Pleistocene.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 154 Eds: Shackleton, N.J.Curry, W.B.Richter, C.Bralower, T.J.

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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