bforams@mikrotax - Astrorhizida bforams@mikrotax - Astrorhizida

Astrorhizida

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
Sister taxa: Rotaliana, Nodosariana, Miliolida, Robertinida ⟩⟨ Textulariana, Astrorhizida, Hormosinana, Spirillinida, hidden
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Bathysiphon

Bathysiphon brosgei
Bathysiphon sp.

Hippocrepina

Hippocrepina depressa
Hippocrepina sp.

Hyperammina

Hyperammina elongata
Hyperammina sp.

Jaculella

Jaculella acuta
Jaculella sp.

Nothia

Nothia excelsa
Nothia latissima
Nothia robusta
Nothia sp.

Psammosiphonella

Psammosiphonella cylindrica
Psammosiphonella sp.

Psammosphaera

Psammosphaera fusca
Psammosphaera irregularis
Psammosphaera sp.

Rhabdammina

Rhabdammina discreta
Rhabdammina linearis
Rhabdammina sp.

Rhizammina

Rhizammina indivisa
Rhizammina sp.

Saccammina

Saccammina complanata
Saccammina placenta
Saccammina sp.

Saccorhiza

Saccorhiza ramosa
Saccorhiza sp.

Taxonomy

Citation: Astrorhizida Lankester, 1885
Taxonomic rank: order

Catalog entries: Astrorhizida

Distinguishing features:
Parent taxon (bf_main):
This taxon: unilocular

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:
Final whorl chambers: 0->0
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 Cretaceous Period (66.04-143.10Ma, 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:

Lankester, E. R. (1885). Protozoa. In, The Encyclopedia Britannica, 9th Edition. 19: 830-866. gs

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Astrorhizida 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=2000008 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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