pforams@mikrotax - Mutabella pforams@mikrotax - Mutabella

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

Taxonomy

Citation: Mutabella Pearson, Norris & Empson 2001
taxonomic 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.

Description

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 top of M7 zone (100% up, 13.8Ma, in Serravallian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within M3 zone (17.54-19.30Ma, base in Burdigalian stage). Data source: Total of ranges of species in this database

Plot of occurrence data:

Primary source for this page: Pearson et al. 2001

References:

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


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Mutabella compiled by the pforams@mikrotax project team viewed: 20-6-2024

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Short stable page link: https://mikrotax.org/pforams/index.php?id=104169 Go to Archive.is to create a permanent copy of this page - citation notes



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