bforams@mikrotax - Rhizammina bforams@mikrotax - Rhizammina

Rhizammina

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.


Classification: bf_main -> Astrorhizida -> Rhizammina
Sister taxa: Bathysiphon, Hippocrepina, Hyperammina, Jaculella, Nothia, Psammosiphonella, Psammosphaera, Rhabdammina, Rhizammina, Saccammina, Saccorhiza
Daughter taxa (time control age-window is: 0-800Ma)
Rhizammina indivisa

Rhizammina sp.
Specimens which cannot be assigned to established species

Taxonomy

Citation: Rhizammina Brady, 1879
Taxonomic rank: genus
Type species: Rhizammina algaeformis Brady, 1879

Catalog entries: Rhizammina

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


Wall composition:
agglutinated

Search data:
TEST: elongate-cylindrical, unilocular, APERTURE: circular, terminal,
Final whorl chambers: 1->1
The morphological data given here can be used on the advanced search page. See also these notes

Biogeography and Palaeobiology


Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): within Early Cretaceous Epoch (100.50-143.10Ma, base in Berriasian stage). Data source: Total of range of species in this database

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

References:

Brady, H. B. (1879b). Notes on some of the reticularian Rhizopoda of the Challenger Expedition, Part I. On new or little known Arenaceous types. Quarterly Journal of Microscopical Science. 19: 20-63. gs

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Rhizammina compiled by the bforams@mikrotax project team viewed: 13-7-2025

Taxon Search:
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Short stable page link: https://mikrotax.org/bforams/index.php?id=2000153 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
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