Globorotalia multicamerata

Taxonomy

Catalog entries: Globorotalia menardii multicamerata

Distinguishing features:
Parent taxon (menardii lineage): G. archeomenardii - menardii, limbata - miocenica & exilis - pertenius lineages
This taxon: Like G. limbata but with more chambers in final whorl (usually 8-10 vs 6-8), a circular-outline to the test, and a wide, circular and deep umbilicus

Description

Biogeography and Palaeobiology

Most likely ancestor:
Globorotalia limbata - at confidence level 4 (out of 5). Data source: Kennett & Srinivasan 1983, fig. 14; Stewart 2003 fig. 6.10; Aze et al. 2011, appendix 5.

Biostratigraphic distribution

Geological Range:
Notes: The evolution of Gr. (M.) multicamerata from Gr. (M.) limbata is a useful biostratigraphic datum within Zone N17 , close to the first evolutionary appearance of Pulleniatina primalis. [Kennett & Srinivasan 1983]
Last occurrence (top): in lower part of PL5 [Atl.] zone (19% up, 3Ma, in Piacenzian stage). Data source: Wade et al. (2011), additional event; position within zone determined by linear interpolation from data in table 1 of Wade et al. (2011).
First occurrence (base): within N17b zone (5.72-6.60Ma, base in Messinian stage). Data source: Kennett & Srinivasan 1983

Plot of occurrence data:

• Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
• Triangles indicate an event for which a precise placement has been suggested
• Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
• Taxon plotted: Globorotalia multicamerata, synonyms included - Globorotalia menardii multicamerata; Globorotalia multicamerata; Globorotalia multicamerta; Globorotalia pertenuis multicamerata; Menardella multicamerata; Globorotalia multicamerta;
• See also space-time plot :: Samples map :: Parent: menardii lineage

Primary source for this page: Kennett & Srinivasan 1983, p.126

Globorotalia multicamerata compiled by the pforams@mikrotax project team viewed: 21-1-2026 Taxon Search: Advanced Search Short stable page link: https://mikrotax.org/pforams/index.php?id=104115 Go to Archive.is to create a permanent copy of this page - citation notes

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