Catalog entries: Globorotalia (Globorotalia) paralenguaensis
Type images:Distinguishing features:
Parent taxon (Fohsella): G. peripheroronda - lenguaensis - fohsi - robusta lineage
This taxon: Like F. lenguaensis but less circular and test less tightly coiled
Aperture: Interiomarginal umbilical-extraumbilical low arch with lip [Aze 2011, based on Kennett & Srinivasan 1983]
Character matrix
| test outline: | Ovate | chamber arrangement: | Trochospiral | edge view: | Inequally biconvex | aperture: | Umbilical-extraumbilical |
| sp chamber shape: | Crescentic | coiling axis: | Low | periphery: | N/A | aperture border: | Thin lip |
| umb chbr shape: | Subtriangular | umbilicus: | Narrow | periph margin shape: | Subangular | accessory apertures: | None |
| spiral sutures: | Weakly depressed | umb depth: | Shallow | wall texture: | Smooth | shell porosity: | Macroperforate: >2.5µm |
| umbilical or test sutures: | Weakly depressed | final-whorl chambers: | 6-8 | N.B. These characters are used for advanced search. N/A - not applicable | |||
[SCOR WG138]
Most likely ancestor:
Fohsella lenguaensis - at confidence level 4 (out of 5). Data source: Kennett & Srinivasan 1983, fig. 17.
Geological Range:
Last occurrence (top): within N16 zone (8.58-9.83Ma, top in Tortonian stage). Data source: Chaisson & Pearson (1997)
First occurrence (base): within N15 zone (9.83-10.46Ma, base in Tortonian stage). Data source: Chaisson & Pearson (1997)
Plot of occurrence data:
Primary source for this page: Kennett & Srinivasan 1983, p.154
Aze, T., et al. (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews. 86: 900-927. gs Blow, W. H. (1969). Late middle Eocene to Recent planktonic foraminiferal biostratigraphy. In, Bronnimann, P. & Renz, H. H. (eds) Proceedings of the First International Conference on Planktonic Microfossils, Geneva, 1967. E J Brill, Leiden 380-381. gs Hodell, D. A. & Vayavananda, A. (1993). Middle Miocene paleoceanography of the western equatorial Pacific (DSDP Site 289) and the evolution of Globorotalia (Fohsella). Marine Micropaleontology. 22: 279-310. gs Keller, G. (1985). Depth stratification of planktonic foraminifers in the Miocene Ocean. In, Kennett, J. P. (ed.) The Miocene Ocean: Paleoceanography and Biogeography. GSA Memoir . 163: 1-337. gs Kennett, J. P. & Srinivasan, M. S. (1983). Neogene Planktonic Foraminifera. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania. 1-265. gsReferences:

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Fohsella paralenguaensis compiled by the pforams@mikrotax project team viewed: 22-4-2026
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