Catalog entries: Globorotalia ungulata
Type images:Distinguishing features:
Parent taxon (tumida lineage): G. lenguaensis - merotumida - tumida - flexuosa lineage
This taxon: Keel & lateral shell outline thickest on last chamber
Aperture: Interiomarginal umbilical-extraumbilical low arch covered by lip [Aze 2011, based on Kennett & Srinivasan 1983] Coiling direction (in extant population): sinistral
Diagnostic characters:
Morphology:
Wall type:
Character matrix
test outline: | Ovate | chamber arrangement: | Trochospiral | edge view: | Inequally biconvex | aperture: | Umbilical-extraumbilical |
sp chamber shape: | Crescentic | coiling axis: | Low | periphery: | Single keel | aperture border: | Thick lip |
umb chbr shape: | Subtriangular | umbilicus: | Narrow | periph margin shape: | Subangular | accessory apertures: | None |
spiral sutures: | Raised | umb depth: | Shallow | wall texture: | Smooth | shell porosity: | Macroperforate: >2.5µm |
umbilical or test sutures: | Weakly depressed | final-whorl chambers: | 5-5 | N.B. These characters are used for advanced search. N/A - not applicable |
In modern oceans a common, warm water, species [SCOR WG138]
Geographic distribution
Most likely ancestor: Globorotalia tumida - at confidence level 3 (out of 5). Data source: Kennett & Srinivasan 1983, fig 17; Stewart 2003 fig. 6.10; Aze et al. 2011, appendix 5.
Geological Range:
Last occurrence (top): Extant. Data source: present in the plankton (SCOR WG138)
First occurrence (base): within N20 zone (3.10-4.37Ma, base in Zanclean stage). Data source: Chaisson & Pearson (1997)
Plot of occurrence data:
Primary source for this page: Kennett & Srinivasan 1983, p.160
André, A., et al. (2014). SSU rDNA Divergence in Planktonic Foraminifera: Molecular Taxonomy and Biogeographic Implications. PLoS One. 9: e104641-. gs Aze, T., et al. (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews. 86: 900-927. gs Bermudez, P. J. (1961). Contribucion al estudio de las Globigerinidea de la region Caribe-Antillana (Paleoceno-Reciente). Editorial Sucre, Caracas. (3): 1119-1393. gs Brummer, G-J. A. & Kucera, M. (2022). Taxonomic review of living planktonic foraminifera. Journal of Micropalaeontology. 41: 29-74. gs 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 Lamb, J. L. & Beard, J. H. (1972). Late Neogene planktonic foraminifers in the Caribbean, Gulf of Mexico, and Italian stratotypes,. University of Kansas Paleontological Contributions, Articles. 57: 1-67. gs O Loeblich, A. & Tappan, H. (1994). Foraminifera of the Sahul shelf and Timor Sea. Cushman Foundation for Foraminiferal Research, Special Publication. 31: 1-661. gs O Morard, R., et al. (2015). PFR2: a curated database of planktonic foraminifera 18S ribosomal DNA as a resource for studies of plankton ecology, biogeography and evolution. Molecular Ecology Resources. 15: 1472-1485. gs 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 Seears, H. A., Darling, K. F. & Wade, C. M. (2012). Ecological partitioning and diversity in tropical planktonic foraminifera. BMC Evolutionary Biology. 12(54): 1-15. gs Siccha, M. & Kucera, M. (2017). ForCenS, a curated database of planktonic foraminifera census counts in marine surface sediment samples. Scientific Data. 4(1): 1-12. gsReferences:
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Globorotalia ungulata compiled by the pforams@mikrotax project team viewed: 28-4-2025
Short stable page link: https://mikrotax.org/pforams/index.php?id=104138 Go to Archive.is to create a permanent copy of this page - citation notes |