Catalog entries: Hastigerinella riedeli
Type images:Distinguishing features:
Parent taxon (Orcadia): Spine bases at chamber tips:
This taxon: monospecific
Morphology:
Wall type:
Character matrix
test outline: | Stellate | chamber arrangement: | Trochospiral | edge view: | Concavo-convex | aperture: | Umbilical |
sp chamber shape: | Elongate | coiling axis: | Low | periphery: | N/A | aperture border: | Thin lip |
umb chbr shape: | Elongate | umbilicus: | Narrow | periph margin shape: | Moderately rounded | accessory apertures: | None |
spiral sutures: | Moderately depressed | umb depth: | Shallow | wall texture: | Smooth | shell porosity: | Microperforate: <1µm |
umbilical or test sutures: | Moderately depressed | final-whorl chambers: | 5-5 | N.B. These characters are used for advanced search. N/A - not applicable |
Geographic distribution
Phylogenetic relations
Most likely ancestor: Hastigerina pelagica - at confidence level 1 (out of 5). Data source: Kennett & Srinivasan 1983, fig. 26.
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (SCOR WG138)
First occurrence (base): within N22 zone (0.00-1.93Ma, base in Gelasian stage). Data source: Kennett & Srinivasan 1983 (as Hastigerinopsis reideli)
Plot of occurrence data:
Primary source for this page: Kennett & Srinivasan 1983, p.244
Brummer, G-J. A. & Kucera, M. (2022). Taxonomic review of living planktonic foraminifera. Journal of Micropalaeontology. 41: 29-74. gs Brummer, G. J. A., Troelstra, S. R., Kroon, D. & Ganssen, G. M. (1988). Ontogeny, distribution and geologic record of the extant planktonic foraminifer Orcadia riedeli (Rögl & Bolli, 1973). In, Brummer, G. J. A. & Kroon, D. (eds) Planktonic foraminifers as tracers of ocean-climate history. Free University Press, Amsterdam 149-162. gs Kennett, J. P. & Srinivasan, M. S. (1983). Neogene Planktonic Foraminifera. Hutchinson Ross Publishing Co., Stroudsburg, Pennsylvania. 1-265. gs Poore, R. Z. (1979). Oligocene through quarternary planktonic foraminiferal biostratigraphy of the North Atlantic: DSDP LEG 49. Initial Reports of the Deep Sea Drilling Project. 49: 447-517. 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. (1976). Geologic significance of coiling direction in the planktonic foraminifera Pulleniatina. Geology. 4(5): 305-309. gs Saito, T., Thompson, P. R. & Breger, D. (1981). Systematic Index of Recent and Pleistocene Planktonic Foraminifera. University of Tokyo Press, Tokyo. 1-190. gsReferences:
Orcadia riedeli compiled by the pforams@mikrotax project team viewed: 12-10-2024
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