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Species Beella praedigitata Parker 1967


Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test low to medium trochospiral, equatorial periphery strongly lobulate; chambers inflated, initially spherical, later becoming ovate, four to five rapidly increasing chambers in the final whorl; sutures distinct, depressed; surface smooth with circular to subcircular pores and discrete tubercles rep- resenting spine bases . Aperture interiomarginal, umbilical, a semicircular arch bordered by a pronounced lip.
Discussion / Comments:
Kennett & Srinivasan (1983):
B. praedigitata differs from its descendant B. digitata by lacking fully developed radially elongate chambers.
Systematics:

1
 Superregnum Eukaryota
  Regnum Protoctista
   Phylum Ciliophora
    Subphylum Postciliodesmatophora
     Ordo Globigerinida
      Superfamilia Globigerinaceae
       Superfamilia Nonionacea
        Familia Globigerinidae
         Genus Beella
          Species Beella praedigitata
Synonym list:
Kennett & Srinivasan (1983):
1967 Globigerina praedigitata Parker. - Parker : p.151 pl 19 figs 5-8.
Chaisson & d'Hondt (2000):
1967 Globigerina praedigitata Parker. - Parker : p.151 pl. 19 figs 5-8
1983 Beella praedigitata Parker. - Kennett & Srinivasan : p.232 pl. 58 figs. 2-5
Chaisson & Pearson (1997):
1967 Globigerina praedigitata Parker. - Parker : p.151 pl. 19; fig. 5-8
1983 Beella praedigitata Parker. - Kennett & Srinivasan : p.232 pl. 58; fig. 2-5
Chaisson & Leckie (1993):
1967 Globigerina praedigitata Parker. - Parker : p.151 pl. 19; fig. 5-8
1983 Beella praedigitata Parker. - Kennett & Srinivasan : p.232 pl. 58; fig. 2-5
References:

Parker,F.L. (1967):
Late Tertiary biostratigraphy (planktonic foraminifers) of tropical Indo-Pacific deep-sea cores . Bull. Am. Paleontol. Vol. 52

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

Chaisson,W.P. and Leckie,R.M. (1993):
High-Resolution Planktonic Foraminifer Biostratigraphy of Site 806, Ontong Java Plateau (Western Equatorial Pacific).
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 130 Eds: Berger, W.H.Kroenke, L.W..Mayer, L.A..et al. p. 137-178

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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