Orbulina

NB TAXA WHICH ORIGINATE IN THE OLIGOCENE ARE NOT INCLUDED YET
Classification: pf_neogene -> Globigerinidae -> Orbulina
Sister taxa: Beella, Catapsydrax, Clavatorella, Globigerina, Globigerinella, Globigerinoides, Globigerinoidesella, Globoturborotalita, Orbulina, Orcadia, Paragloborotalia, Praeorbulina, Protentella, Sphaeroidinella, Sphaeroidinellopsis, Trilobatus, Turborotalita,
Daughter taxa (blue => in age window 0-300Ma)

monospecific
Specimens which cannot be assigned to established species

Taxonomy

Citation: Orbulina d’Orbigny, 1839
Rank: genus
Type species: Orbulina universus
Taxonomic discussion: Orbulina universa, the type species of Orbulina, was originally described from Recent sands off Cuba in 1839, and since then, several authors have amended the original description and diagnosis of the genus (Costa, 1856, see Ellis and Messina, 1940, et seq.; Brönnimann, 1951; Blow, 1956). [Kennett & Srinivasan 1983]

Catalog entries: Orbulina;

Type images:

Short diagnosis: Spherical terminal chamber:

NB The short diagnoses are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus. They have initially been copied from the diagnostic characters/distinguishing features sections of the Eocene and Paleocene Atlases, they will be edited as the site is developed.

Description

Biogeography and Palaeobiology


Phylogenetic relations: Orbulina was derived from Praeorbulina [Kennett & Srinivasan 1983]

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within Langhian Stage (13.82-15.97Ma, base in Langhian stage). Data source: Total of range of species in this database

Plot of occurrence data:

Primary source for this page: Kennett & Srinivisan 1983, p.86

References:

d'Orbigny, A., (1839). Foraminiferes. In: de la Sagra, R. (Editor), Histoire physique et naturelle de l'Ile de Cuba. A. Bertrand, Paris, France, pp. 224.


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Orbulina compiled by the pforams@mikrotax project team viewed: 21-10-2017

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