bforams@mikrotax - Miliolida bforams@mikrotax - Miliolida

Miliolida

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

Nummoloculina contraria
Nummoloculina sp.

Pyrgo

Pyrgo comata
Pyrgo depressa
Pyrgo fornasinii
Pyrgo lucernula
Pyrgo murrhina
Pyrgo serrata
Pyrgo sp.

Quinqueloculina

Quinqueloculina lamarckiana
Quinqueloculina seminulum
Quinqueloculina venusta
Quinqueloculina sp.

Sigmoilopsis

Sigmoilopsis schlumbergeri
Sigmoilopsis sp.

Silicosigmoilina

Silicosigmoilina akkeshiensis
Silicosigmoilina sp.

Spirosigmoilina

Spirosigmoilina tenuis
Spirosigmoilina sp.

Triloculina

Triloculina tricarinata
Triloculina trigonula
Triloculina sp.

Taxonomy

Citation: Miliolida Delage & Hérouard, 1896
Taxonomic rank: order

Catalog entries: Miliolida

Distinguishing features:
Parent taxon (bf_main):
This taxon: porcellaneous, tubular chambers

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-porcellaneous

Search data:
TEST: biconvex, millioline, APERTURE: circular, terminal, dentate,
Final whorl chambers: 2->5
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 Eocene Sub-Epoch (47.84-55.96Ma, base in Ypresian 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:

Delage, Y. & Hérouard, E. (1896). La Cellule et les Protozoaires. In, Traité de Zoologie Concrete. Tome I. Beinwald, Paris 1-584. gs

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Miliolida 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=2000011 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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