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Globigerina sp.6 Quilty 1976 from: Quilty, P.G.. (1976): Planctonic foraminifera DSDP Leg 34- Nazca Plata . DSDP initial reports Vol. 34
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Species Globigerina sp.6 Quilty 1976



Diagnosis / Definition:
Quilty (1976):
Test small (0.15 mm), compact, consisting of a moderately low trochospire, with 4 chambers in each of the last two whorls. Dorsal sutures clearly, broadly depressed, a little recurved distally. Ventral sutures straight, radial, depressed. Umbilicus small, quadrate, quite deep. Aperture small, a low arch without lip or rim, opening symmetrically over the proximal edge of the antepenultimate chamber. Wall structure quite thick, perforations widely spaced. Wall of ultimate chamber coarser than for earlier chambers.
Discussion / Comments:
Quilty (1976):
Remarks: The main feature differentiating this form is the lack of any lip or rim to the aperture.
Synonym list:
Quilty (1976):
1976 Globigerina sp.6 Quilty. - Quilty : p.675 pl. 5, figs. 11-12
References:

Quilty,P.G.. (1976):
Planctonic foraminifera DSDP Leg 34- Nazca Plata . DSDP initial reports Vol. 34

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