Catalog entries: Globorotalia acostaensis, Globorotalia (Turborotalia) acostaensis tegillata
Type images:Distinguishing features:
Parent taxon (Neogloboquadrina): Cancellate wall; umbilical-extraumbilical aperture:
This taxon: Like N. continuosa but 5-5½ chambers in final whorl, chambers more inflated, and a wide apertural rim or plate
Morphology:
Wall type:
Character matrix
test outline: | Lobate | chamber arrangement: | Trochospiral | edge view: | Equally biconvex | aperture: | Umbilical-extraumbilical |
sp chamber shape: | Globular | coiling axis: | Low | periphery: | N/A | aperture border: | - |
umb chbr shape: | Globular | umbilicus: | Wide | periph margin shape: | Broadly rounded | accessory apertures: | None |
spiral sutures: | Weakly depressed | umb depth: | Deep | wall texture: | Cancellate | shell porosity: | Macroperforate: >2.5µm |
umbilical or test sutures: | Moderately depressed | final-whorl chambers: | 5-5.5 | N.B. These characters are used for advanced search. N/A - not applicable |
[SCOR WG138]
Geographic distribution
Isotope paleobiology
Phylogenetic relations
Most likely ancestor: Paragloborotalia continuosa - at confidence level 3 (out of 5). Data source: Kennett & Srinivasan 1983, fig 21; Aze et al. 2011.
Likely descendants: Neogloboquadrina atlantica; Neogloboquadrina humerosa; Pulleniatina primalis;
plot with descendants
Geological Range:
Last occurrence (top): within PT1a subzone (0.61-1.88Ma, top in Ionian stage). Data source: Chaisson & Pearson (1997)
First occurrence (base): at base of M13a subzone (0% up, 9.8Ma, in Tortonian stage). Data source: Wade et al. (2011), zonal marker
Plot of occurrence data:
Primary source for this page: Kennett & Srinivasan 1983, p.196
Aze, T. et al. (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews. 86: 900-927. gs Blow, W. H. (1959). Age, correlation, and biostratigraphy of the upper Tocuyo (San Lorenzo) and Pozon Formations, eastern Falcon, Venezuela. Bulletins of American Paleontology. 39(178): 67-251. 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 Chaisson, W. P. & Pearson, P. N. (1997). Planktonic foraminifer biostratigraphy at Site 925: Middle Miocene–Pleistocene. Proceedings of the Ocean Drilling Program, Scientific Results. 154: 3-31. gs Kennett, J. P. & Srinivasan, M. S. (1983). Neogene Planktonic Foraminifera. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania. 1-265. gs Lam, A. & Leckie, R. M. (2020a). Late Neogene and Quaternary diversity and taxonomy of subtropical to temperate planktic foraminifera across the Kuroshio Current Extension, northwest Pacific Ocean. Micropaleontology. 66(3): 177-268. gs Norris, R. D. (1998). Planktonic foraminifer biostratigraphy: Eastern Equatorial Atlantic. Proceedings of the Ocean Drilling Program, Scientific Results. 159: 445-479. gs O Pearson, P. N. & Shackleton, N. J. (1995). Neogene multispecies planktonic foraminifer stable isotope record, Site 871, Limalok Guyot. Proceedings of the Ocean Drilling Program, Scientific Results. 144: 401-410. gs Postuma, J. A. (1971). Manual of planktonic foraminifera. Elsevier for Shell Group, The Hague. 1-406. gs Wade, B. S., Pearson, P. N., Berggren, W. A. & Pälike, H. (2011). Review and revision of Cenozoic tropical planktonic foraminiferal biostratigraphy and calibration to the geomagnetic polarity and astronomical time scale. Earth-Science Reviews. 104: 111-142. gsReferences:
Neogloboquadrina acostaensis compiled by the pforams@mikrotax project team viewed: 10-11-2024
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