Catalog entries: Globorotalia zealandica, Globorotalia zealandica pseudomiozea
Type images:Distinguishing features:
Parent taxon (temperate Globorotalia species): temperate species which do not readily fit in the main lineages
This taxon: Test low trochospiral, equatorial periphery quadrilobate; chambers inflated, compressed, 4 in final whorl
Morphology:
Wall type:
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 lip |
umb chbr shape: | Subtriangular | umbilicus: | Narrow | periph margin shape: | Broadly rounded | 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: | 4-4 | N.B. These characters are used for advanced search. N/A - not applicable |
Geographic distribution
Isotope paleobiology
Phylogenetic relations
Most likely ancestor: Paragloborotalia incognita - at confidence level 3 (out of 5). Data source: Kennett & Srinivasan 1983; Lekie et al. 2018 (in discussion of P. incognita).
Likely descendants: Globorotalia praescitula;
plot with descendants
Geological Range:
Last occurrence (top): within N8 zone (15.10-16.38Ma, top in Langhian stage). Data source: Kennett & Srinivasan (1983)
First occurrence (base): in lower part of M4a subzone (35% up, 17.2Ma, in Burdigalian stage). Data source: Wade et al. (2011), additional event; position within zone determined by linear interpolation from data in table 1 of Wade et al. (2011).
Plot of occurrence data:
Primary source for this page: Kennett & Srinivasan 1983, p.108
Aze, T. et al. (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews. 86: 900-927. gs Hornibrook, N. d. B. (1958). New Zealand Upper Cretaceous and Tertiary foraminiferal zones and some overseas correlations. Micropaleontology. 4: 25-38. gs Kennett, J. P. & Srinivasan, M. S. (1983). Neogene Planktonic Foraminifera. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania. 1-265. gs King, D. J., Wade, B. S. & Giles Miller, C. G. (2023). Biostratigraphic utility of coiling direction in Miocene planktonic foraminiferal genus Paragloborotalia. Newsletters on Stratigraphy. 56(3): 331-355. gs Srinivasan, M. S. & Kennett, J. P. (1981b). Neogene planktonic foraminiferal biostratigraphy and evolution: equatorial to subantarctic, south Pacific. Marine Micropaleontology. 6: 499-533. gs Walters, R. (1965). The Globorotalia zealandica and G. miozea lineages. New Zealand Journal of Geology and Geophysics. 8: 109-127. gs References:
Globorotalia zealandica compiled by the pforams@mikrotax project team viewed: 6-10-2024
Short stable page link: https://mikrotax.org/pforams/index.php?id=104140 Go to Archive.is to create a permanent copy of this page - citation notes |