Distinguishing features: Parent taxon (Subbotina): Low trochospiral, tripartite test, with 3-4 rapidly inflating, globular chambers in final whorl.
Umbilicus nearly closed by tight coiling.
Wall cancellate with spines at nodes of the ridges, +/- spine collars. This taxon: Specimens which cannot be assigned to established species
NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus. They are being edited as the site is developed and comments on them are especially welcome.
Emended description: Morphology: Wall type:
PearsonWade 2015 f14-04.JPG
PearsonWade 2015 f14-06.JPG
Biogeography and Palaeobiology
Similar species Geographic distribution Isotope paleobiology Phylogenetic relations
Geological Range: Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source: First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:
Plot of occurrence data:
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Pearson, P. N. & Wade, B. S. (2015). Systematic taxonomy of exceptionally well-preserved planktonic foraminifera from the Eocene/Oligocene boundary of Tanzania. Cushman Foundation for Foraminiferal Research, Special Publication. 45: 1-85. gsVO
Subbotina sp. compiled by the pforams@mikrotax project teamviewed: 4-12-2022