bforams@mikrotax - Psammosphaera irregularis bforams@mikrotax - Psammosphaera irregularis

Psammosphaera irregularis

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 -> Psammosphaera -> Psammosphaera irregularis
Sister taxa: P. fusca, P. irregularis, P. sp.

Taxonomy

Citation: Psammosphaera irregularis (Grzybowski, 1896) emend. Liszka & Liszkowa, 1981
Taxonomic rank: species
Basionym: Keramosphaera irregularis Grzybowski, 1896

Catalog entries: Keramosphaera irregularis

Type images:

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:
calcareous-hyaline

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): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

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:

Grzybowski, J. (1896). Otwornice czerwonych ilów z Wadowic. Rozprawy Wydzial Matematyczno-Przyrodniczy, Kraków. 30: 261-308. gs

Liszka, S. & Liszkowa, J. (1981). Revision of J. Grzybowski’s paper (1896) “Foraminifera of the red clays from Wadowice”. Rocznik Polskie Towarzystwo Geologiczne = Annales de la Société Géologique de Pologne. 51: 153-208. gs

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Psammosphaera irregularis compiled by the bforams@mikrotax project team viewed: 10-5-2026

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Short stable page link: https://mikrotax.org/bforams/index.php?id=2001644 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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