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Species Globigerinella calida Parker 1962


Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test low trochospiral, equatorial periphery strongly lobulate; axial periphery rounded, chambers subglobular initially, ovate, to rapidly elongate in later stages; four to five rapidly enlarging chambers in the final whorl; sutures distinct, radial, depressed; surface densely perforate, finely hispid; aperture umbilical, becoming umbilical-extraumbilical, a rather low arch with a narrow lip.
Discussion / Comments:
Kennett & Srinivasan (1983):
Ge. calida differs from Globigerina (Gg.) bulloides by its ovate to radially elongate chambers and umbilical-extraumbilical aperture and from Ge. aequilateralis by its less involute test, lower spire, and more lobulate outline. Loose coiling of the test and well-separated chambers in the final whorl suggest a relationship with Ge. adamsi, which differs in exhibiting digitate chambers.
Chaisson & Leckie (1993):
Remarks: This species is very rare. Similar species: Globigerinella obesa lacks an apertural lip, and it has more inflated and more embracing chambers than does G. calida. G. calida differs from Globigerina bulloides in having a less embracing test and a lower arched extraumbilical-tending aperture bordered by a thin lip.
Synonym list:
Kennett & Srinivasan (1983):
1962 Globigerina calida Parker. - Parker : p.221 pl 1 figs 9-13, 15
Chaisson & Pearson (1997):
1962 Globigerina calida Parker. - Parker : p.221 pl. 1; fig. 9-13; 15
1983 Globigerinella calida Parker. - Kennett & Srinivasan : p.240 pl. 60; fig. 7-9
Vincent & Toumarkine (1990):
1962 Globigerina calida Parker. - Parker : p. 221 pl. 1, figs. 9-13, 15
1990 Globigerinella calida Parker. - Vincent & Toumarkine : p. 830 pl. 1, figs. 13-15
Chaisson & Leckie (1993):
1962 Globigerina calida Parker. - Parker : p.221 pl. 1; fig. 9-13 and 15
1983 Globigerinella calida Parker. - Kennett & Srinivasan : p.240 pl. 60; fig. 7-9
References:

Parker,F.L. (1962):
Planktonic foraminiferal species in Pacific sediments . Micropaleontology Vol. 8 p. 219-254

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

Vincent,E. and Toumarkine,M. (1990):
Neogene planktonic foraminifers from the Western Tropical Indian Ocean, Leg 115.
In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 115 Eds: Duncan, R.A..Backman, J.Peterson, L.C. p. 795-836

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.
Anonymous: Unedited TaxonConcept data
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