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Mutabella mirabilis Pearson et al. 2001 = Mutabella mirabilis |
Current identification/main database link: Mutabella Pearson, Norris & Empson 2001
Original Description
Size:
Etymology:
Extra details from original publication
Remarks. Mutabella has a similar or identical wall texture to the genera Tenuitella Fleisher, Globigerinita Brönnnimann, and Globigerinatella Cushman and Stainforth, all of which also occur in the lower Miocene. It is distinguished from Tenuitella principally by its larger size, the frequent development of an umbilical tooth-plate, and the presence of supplementary sutural or areal apertures on some specimens. It differs from Globigerinita principally by the larger number of chambers per whorl, the frequent presence of an umbilical tooth-plate, and the apertural position, which is usually asymmetrical. It differs from Globigerinatella by having a lower trochospiral chamber arrangement, a less globular morphology, and an umbilical tooth-plate in some specimens, and by lacking multiple superimposed chamber-like bullae.
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:
Mutabella compiled by the pforams@mikrotax project team viewed: 9-9-2024
Short stable page link: https://mikrotax.org/pforams/index.php?id=131883 Go to Archive.is to create a permanent copy of this page - citation notes |
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