Catalog entries: Globigerina clarkei
Type images:Distinguishing features:
Parent taxon (Turborotalita): Minute, with bullate extension of the final chamber, smooth wall, large pores and short conical spines concentrated along the periphery.
This taxon: Five chambers & small, compact outline
Aperture: Interiomarginal umbilical-extraumbilical very low arch [Aze 2011, based on Brummer & Kroon 1988] Coiling direction (in extant population): mixed
Diagnostic characters:
Wall type:
Size:
Character matrix
test outline: | Lobate | chamber arrangement: | Trochospiral | edge view: | Inequally biconvex | aperture: | Umbilical-extraumbilical |
sp chamber shape: | Globular | coiling axis: | Low | periphery: | N/A | aperture border: | Thin flange |
umb chbr shape: | Globular | umbilicus: | Narrow | periph margin shape: | Broadly rounded | accessory apertures: | None |
spiral sutures: | Moderately depressed | umb depth: | Shallow | wall texture: | Spinose | shell porosity: | Finely Perforate: 1-2.5µm |
umbilical or test sutures: | Moderately depressed | final-whorl chambers: | 5-5 | N.B. These characters are used for advanced search. N/A - not applicable |
In modern oceans an abundant, temperate water, species [SCOR WG138]
Geographic distribution
Isotope paleobiology
Most likely ancestor: Turborotalita cristata - at confidence level 3 (out of 5). Data source: Aze et al. 2011.
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (SCOR WG138)
First occurrence (base): within PT1a subzone (0.61-1.88Ma, base in Gelasian stage). Data source: Aze et al. 2011
Plot of occurrence data:
Aze, T., et al. (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews. 86: 900-927. gs Brönnimann, P. & Resig, J. (1971). A Neogene globigerinacean biochronologic time-scale of the southwestern Pacific. Initial Reports of the Deep Sea Drilling Project. 7(2): 1235-1469. gs O Brummer, G. J. A. & Kroon, D. (1988). Planktonic foraminifers as tracers of ocean-climate history. Free University Press, Amsterdam. 1-346. gs Brummer, G-J. A. & Kucera, M. (2022). Taxonomic review of living planktonic foraminifera. Journal of Micropalaeontology. 41: 29-74. gs Rögl, F. & Bolli, H. M. (1973). Holocene to Pleistocene planktonik foraminifera of LEG 15, site 147 (Cariaco Basin (Trench), Caribbean Sea) and their climatic interpretation. Initial Reports of the Deep Sea Drilling Project. 15: 553-579. gs O Saito, T., Thompson, P. R. & Breger, D. (1981). Systematic Index of Recent and Pleistocene Planktonic Foraminifera. University of Tokyo Press, Tokyo. 1-190. gs Schiebel, R. & Hemleben, C. (2017). Planktic Foraminifers in the Modern Ocean. Springer-Verlag, Heidelberg. 1-358. gs Missing or ambiguous references: Boltovskoy 1991; Chernikhovsky et al. 2020; Pearson et al. 2018; References:
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Turborotalita clarkei compiled by the pforams@mikrotax project team viewed: 28-4-2025
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