Orcadia

NB TAXA WHICH ORIGINATE IN THE OLIGOCENE ARE NOT INCLUDED YET
Classification: pf_neogene -> Globigerinidae -> Orcadia
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: Orcadia Boltovskoy & Watanabe, 1982
Rank: genus
Type species: Hastigerinella riedeli

Catalog entries: Orcadia;

Type images:

Short diagnosis: Spine bases at chamber tips:

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

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within Gelasian Stage (1.81-2.59Ma, base in Gelasian stage). Data source: Total of range of species in this database

Plot of occurrence data:

References:

Boltovskoy, E. & Watanabe, S., (1982). Orcadia, nuevo genero de Foraminiferos planctonicos Antarticos. Revista Española de Micropaleontología, 14: 5-11.


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Orcadia compiled by the pforams@mikrotax project team viewed: 17-10-2017

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