Biology:Cuneus (foram)
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Revision as of 11:34, 9 August 2022 by imported>Dennis Ross (fix)
Short description: Genus of foraminifers
| Cuneus Temporal range: mid Late Cretaceous to Paleocene
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| Scientific classification | |
| Domain: | Eukaryota
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| Superfamily: | Turrilinacea
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| Family: | Turrilinidae
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| Genus: | Cuneus Voloshina, 1974
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Cuneus is a genus of foraminifera in the Rotaliida found in Upper Cretaceous (Coniacian) to Paleocene marine sediments throughout the boreal regions.
The test is pyramidal in form, triserial throughout, with a triangular section, and may be slightly twisted. The test wall is calcareous, transparent. and finely perforate, the surface smooth. Sides are flat to slightly concave; sutures flush and oblique. The aperture is a narrow vertical loop on the apertural face of the final chamber.
References
- Alfred R. Loeblich Jr and Helen Tappan,1988. Forminiferal Genera and their Classification. Van Nostrand Reinhold.
Wikidata ☰ Q5194254 entry
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