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Species Globorotalia (Globorotalia) ungulata Bermudez 1960


Alternative name:
Globorotalia ungulata Bermudez 1960
Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test small, umbilical side more highly vaulted than spiral, equatorial periphery ovate, slightly lobulate, axial periphery biconvex, with a thin but distinct keel; about five chambers in the final whorl increasing uniformly in size as added; spiral sutures limbate, slightly raised, oblique, merging with the keel on the periphery, on umbilical side almost radial, depressed; surface thin, densely perforate with circular pores and flat and smooth interpore area ; umbilicus narrow; aperture a low arch at the base of the smooth apertural face, bordered by a lip; interiomarginal umbilical-extraumbilical.
Discussion / Comments:
Kennett & Srinivasan (1983):
This species resembles Gr. (Gr.) tumida tumida in test shape but is distinguished from it by its very thin, delicate and smooth, and finely perforate test
Synonym list:
Kennett & Srinivasan (1983):
1960 Globorotalia ungulata Bermudez. - Bermudez : p.1304 pl 15 figs 6a-b
Quilty (1976):
1961 Globorotalia (Globorotalia) ungulata Bermudez. - Bermudez : p.1304 pl. 15, figs. 6a-b
1976 Globorotalia (Globorotalia) ungulata Bermudez. - Quilty : p.697 pl. 16, figs. 6-7
1976 Globorotalia (Globorotalia) ungulata Bermudez. - Quilty : p.697 pl. 16, figs. 6-7
Was used in synonym list of:
Globorotalia ungulata Bermudez 1960
References:

Bermudez,P.J. (1960):
Contribución al estudio de las Globigerinidae de la región Caribe-Antillana (Paleoceno-Reciente) . Mem. Tercer Congr. Geol. Venezolano Vol. 3

Bermudez,P.J. (1961):
Contribucion al estudio de las Globigerinidea de la region Caribe-Antillana (Paleocene-Reciente).
In: Boletino Geologia (Venezuela), Special Publicacion Vol. 3

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

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

Anonymous: Unedited TaxonConcept data
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