Globoconella pliozea

Classification: pf_neogene -> Globorotalidae -> Globoconella -> Globoconella pliozea
Sister taxa: G. conoidea, G. conomiozea, G. inflata, G. miozea, G. panda, G. pliozea, G. puncticulata, G. sphericomiozea, G. terminalis, G. sp.,


Citation: Globoconella pliozea (Hornibrook 1982)
Rank: species
Basionym: Globorotalia pliozea

Catalog entries: Globorotalia pliozea;

Type images:

NB The short diagnoses are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus. They have initially been copied from the diagnostic characters/distinguishing features sections of the Eocene and Paleocene Atlases, they will be edited as the site is developed.


Diagnostic characters: Trochospiral, biconvex, equatorial periphery lobulate with keel, sutures are raised on spiral side

Aperture: : Interiomarginal umbilical-extraumbilical slit with a thickened rim [Aze 2011, based on Wei 1994]

Wall type: Non-spinose; Cancellate (weakly developed) [Aze 2011]

Biogeography and Palaeobiology

Isotope paleobiology: Aze et al. 2011 ecogroup 3 - Open ocean thermocline. Based on light ∂13C and relatively heavy ∂18O. Sources cited by Aze et al. 2011 (appendix S3): Schneider & Kennett (1996)

Most likely ancestor: Globoconella terminalis - at confidence level 3 (out of 5). Data source: Wei 1994, fig. 1.

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within PL1 [Atl.] zone (4.37-5.72Ma, top in Zanclean stage). Data source: Wei 1994 (quoted age converted to modern zone)
First occurrence (base): within PL1 [Atl.] zone (4.37-5.72Ma, base in Messinian stage). Data source: Wei 1994 (quoted age converted to modern zone)

Plot of occurrence data:


Aze, T.; Ezard, T.H.G.; Purvis, A.; Coxall, H.K.; Stewart, D.R.M.; Wade, B.S. & Pearson, P.N.P., (2011). A phylogeny of Cenozoic macroperforate planktonic foraminifera from fossil data. Biological Reviews, 86: 900-927.

Hornibrook, N.d.B., (1982). Late Miocene to Pleistocene Globorotalia (Foraminiferida) from Deep Sea Drilling Project Leg 29, Site 284, Southwest Pacific. New Zealand Journal of Geology and Geophysics, 25: 83-99.

Schneider, C.E. & Kennett, J.P., (1996). Isotopic evidence for interspecies habitat differences during evolution of the Neogene planktonic foraminiferal clade Globoconella. Paleobiology, 22: 282-303.

Wei, K., (1994). Stratophenetic tracing of phylogeny using SIMCA pattern recognition technique: a case study of the late Neogene planktic foraminifera Globoconella clade. Paleobiology, 20(1): 52-65.


Globoconella pliozea compiled by the pforams@mikrotax project team viewed: 20-1-2018

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