pforams@mikrotax - Mutabella pforams@mikrotax - Mutabella


Classification: pf_cenozoic -> Globigerinitidae -> Mutabella
Sister taxa: Dipsidripella, Globigerinatella, Globigerinita, Mutabella, Tenuitella, Tenuitellita
Daughter taxa (time control age-window is: 0-800Ma)
Mutabella mirabilis

Mutabella sp.
Specimens which cannot be assigned to established species


Citation: Mutabella Pearson, Norris & Empson 2001
Rank: Genus

Catalog entries: Mutabella

Distinguishing features:
Parent taxon (Globigerinitidae): Microperforate
This taxon: Like Tenuitella but larger and usually with umbilical tooth plate and/or supplementary apertures

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

Most likely ancestor: Globigerinita - at confidence level 3 (out of 5). Data source: Pearson et al. 2001, p.131.

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at base of Serravallian Stage (2% up, 13.8Ma, in Serravallian stage). Data source: Total of range of species in this database
First occurrence (base): in lower part of Burdigalian Stage (26% up, 19.3Ma, in Burdigalian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Primary source for this page: Pearson et al. 2001


Pearson, P. N., Norris, R. D. & Empson, A. (2001b). Mutabella mirabilis gen. et sp. nov., a Miocene microperforate planktonic foraminifer with an extreme level of intraspecific variability. Journal of Foraminiferal Research. 31: 120-132. gs


Mutabella compiled by the pforams@mikrotax project team viewed: 26-3-2023

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