Cenozoic Planktonic Foraminifera

Classification: pf_cenozoic
Sister taxa:
Daughter taxa: (blue => in age window 0-800Ma) Granddaughter taxa
Wall spinose, usually with 3½-6 globular chambers in final whorl, trochospiral or planispiral

Macroperforate, non-spinose

Planispiral, wall smooth


Hedbergellids - trochospiral, mostly low trochospiral. Apertures of earlier formed chambers remain visible around the umbilicus.

monolamellar, thick spines, thin shell


Microperforate with sutural apertures (and possibly a separate evolutionary origin)

Biserial & triserial
Biserial, enrolled biserial and triserial taxa. Wall microperforate.

Biserial (separate evolutionary origin)


Citation: Cenozoic planktonic foraminifera
Rank: informal group

Catalog entries: Globorotalia (Fohsella)

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.


Biogeography and Palaeobiology

Geographic distribution:

Isotope paleobiology:

Phylogenetic relations:

Similar species:

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in stage). Data source: Total of range of species in this database

Plot of occurrence data: