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Globorotalia (Jenkinsella) acrostoma Wezel 1966 from: Kennett, J.Srinivasan, M.S. (1983): Neogene Planktonic Foraminifera - A Phylogenetic Atlas.
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Species Globorotalia (Jenkinsella) acrostoma Wezel 1966


Alternative name:
Diagnosis / Definition:
Kennett & Srinivasan (1983):
Test low trochospiral, equatorial periphery subquadrate; axial periphery broadly rounded, chambers subquadrate to oval, four to four and one-half in the final whorl, increasing rapidly in size as added; sutures curved, gently depressed; surface with larger, densely spaced pores imparting a coarser cancellate texture to the surface; aperture large, high arched bordered by a rim, interiomarginal, umbilical-extraumbilical.
Discussion / Comments:
Kennett & Srinivasan (1983):
Gr. (J.) acrostoma closely resembles Gr. (J.) mayeribut is easily distinguished by its four to four and one-half chambers in the final whorl and larger and higher-arched aperture.
Synonym list:
Kennett & Srinivasan (1983):
1966 Globorotalia acrostoma Wezel. - Wezel : p.1298 pl 101 figs 1-12, text fig 1
References:

Wezel,F.C. (1966):
'Globorotalia' acrostoma, Nouva specie dell' Oligomiocene italiano . Rivista Italiana di Paleontologia Vol. 72(4) p. 1298-1306

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

Anonymous: Unedited TaxonConcept data
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