NB This site is under active development, current content in the main database is primarily from Bolli et al 1994, Hayward et al. 2012, Holbourn et al. 2013, Holbourn and Kaminski 1997, Alegret & Thomas 2001, and Katz et al. 2003. It is intended to expand and develop this to provide rather comprehensive coverage of Mesozoic and Cenozoic deep-sea benthic foraminifera.
Catalog entries: Rotaliana
Distinguishing features:
Parent taxon (bf_main):
This taxon: hyaline calcite, globular chambers
Wall composition:
Final whorl chambers: ->0 |
Geological Range:
Last occurrence (top): Extant. Data source:
First occurrence (base): within Cretaceous Period (66.04-143.10Ma, base in Berriasian stage).
Plot of occurrence data:
NB The ranges given for genera and higher taxa are the total ranges of species included in that taxon in this database - so the true total range of the taxon will usually be longer
Mikhalevich, V. I. (1980). Sistematika i evolyutsiya foraminifera v svete novykh dannykh po ikh tsitologii i ultrastrukture [Systematics and evolution of foraminifera in the light of new data on their cytology and ultrastructure]. Trudy Zoologicheskogo Instituta Academiya Nauk SSSR. 94: 42-61. gsReferences:
![]() |
Rotaliana compiled by the bforams@mikrotax project team viewed: 13-7-2025
Short stable page link: https://mikrotax.org/bforams/index.php?id=2000007 Go to Archive.is to create a permanent copy of this page - citation notes |
bforams@mikrotax has been supported by US IODP Science Support Program and by the Geologic TimeScale Foundation![]() ![]() |