Catalog - Globigerina aequabilis Catalog - Globigerina aequabilis

CATALOG OF ORIGINAL DESCRIPTIONS: Globigerina aequabilis Terquem 1882

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.


Higher levels: pf_cat -> G -> Globigerina -> Globigerina aequabilis
Other pages this level: Globigerina (Globigerinella), G. achtschacujmensis, G. adriatica, G. aequabilis, G. aequatorialis, G. aequilateralis, G. aequilateralis involuta, G. affinis, G. alanwoodi, G. almadenensis, G. alpigena, G. altispira, G. ampliapertura, G. ampliapertura cancellata, G. anconitana, G. angipora, G. angiporoides, G. angiporoides minima, G. angulata> >>

Globigerina aequabilis

Citation: Globigerina aequabilis Terquem 1882
Taxonomic rank: species
Type locality: Vaudancourt
Type repository: Not given

Current identification:


Original Description

G. testa orbiculari, lœvigata, sensim utraque facie œquabili, loculis, uno centrali, quinqué circiter dispositis, inflatis, rotundatis, regulariter crescentibus, apertura lineari

Coquille orbiculaire, lisse, sensiblement égale sur les deux faces, formée d'une loge centrale, et de cinq loges sur la circonférence, renflées, arrondies, croissant régulièrement ; ouverture linéaire.


Size:
Haut. 0,70; larg. 0,90; grossi 30 fois

Editors' Notes
Problematica - Apparently two foraminifera stuck together, at least one probably a benthic species. [Huber et al. 2006, p. 502]

Le Calvez (1949, p. 17) on the basis of Terquem's preserved specimens stated that G. aequabilis (and also G. lamellosa) was in fact a synonym of Discorbis propinqua = Rosalina propinqua Terquem, 1882. [F. LeCoze written comment, 2023]

References:

Huber, B. T., Olsson, R. K. & Pearson, P. N. (2006). Taxonomy, biostratigraphy, and phylogeny of Eocene microperforate planktonic foraminifera (Jenkinsina, Cassigerinelloita, Chiloguembelina, Streptochilus, Zeauvigerina, Tenuitella, and Cassigerinella) and Problematica (Dipsidripella). In, Pearson, P. N., Olsson, R. K., Hemleben, C., Huber, B. T. & Berggren, W. A. (eds) Atlas of Eocene Planktonic Foraminifera. Cushman Foundation for Foraminiferal Research, Special Publication . 41(Chap 16): 461-508. gs O

Le Calvez, Y. (1949). Révision des foraminifères lutétiens du Bassin de Paris II, Rotaliidae et familles affines. Mémoires pour servir à l'explication de la carte géologique détaillée de la France. 1-53. gs

Terquem, O. (1882). Les foraminiferes de l’Eocene des environs de Paris. Mémoires de la Société Géologique de France. 2(3): 1-193. gs O


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Globigerina aequabilis compiled by the pforams@mikrotax project team viewed: 19-11-2025

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Comments (2)

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Jeremy,

Le Calvez (1949, p. 17) on the basis of Terquem's preserved specimens stated that G. aequabilis (and also G. lamellosa) were in fact synonyms of Discorbis propinqua = Rosalina propinqua Terquem, 1882. If you need Le Calvez' publication, please PM me.

François

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Thank you Francois - it is very useful to clear that up. I've also added G. lamellosa, with a similar note. Jeremy