Specimens which cannot be assigned to established species
| Daughter taxa (time control age-window is: 0-800Ma) | ||||
| | | Mutabella mirabilis | |
| Mutabella sp. Specimens which cannot be assigned to established species | ||||
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
Most likely ancestor: Globigerinita - at confidence level 3 (out of 5). Data source: Pearson et al. 2001, p.131.
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
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. gsReferences:
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Mutabella compiled by the pforams@mikrotax project team viewed: 23-1-2025
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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