Coccolithus anulatus

(Reinhardt, 1966a) Wise, 1973 Apr 13, 2021

Set number: 2279

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10µm

Coccolithus anulatus, Late Paleocene, IODP Leg 171, Site 1051A, Black Nose, Western North Atlantic

In the mobile mount.

Set number: 767

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10µm

Coccolithus anulatus, Late Paleocene, DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean

Final Epithet

Coccolithus anulatus (Reinhardt, 1966a) Wise, 1973

Basionym

Cyclococcolithus anulatus Reinhardt, 1966a

Synonyms

Coccolithus pauxillus Bown, 2010 [Substitute for Coccolithus minimus Bown, 2005d, that is a homonym of Coccolithus minimus Kamptner, 1963]

Description

Small (<5.0µm), circular species of Coccolithus Schwarz (1894) having a narrow central opening without any central structure.

References

Bown, P. R. 2005d. Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research 27(1): 21-95.

Bown, P. R. 2010. Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research 31(1): 11-38.

Kamptner, E. 1963. Coccolithineen-Skelettreste aus Tiefseeablagerungen des Pazifischen Ozeans. Annalen des Naturhistorischen Museums in Wien 66: 139-204.

Reinhardt, P. 1966a. Fossile Vertreter coronoider und styloider Coccolithen (Family Coccolithaceae Poche 1913). Monatsberichte der Deutschen Akademie der Wissenschaften zu Berlin. 8: 513-524.

Schwarz, E. H. L. 1894. Coccoliths. Annals and Magazine of Natural History 14: 341-346.

Wise, S. W. 1973. Calcareous nannofossils from cores recovered during Leg 18, Deep Sea Drilling Project: biostratigraphy and observations on diagenesis. Initial Reports of the Deep Sea Drilling Project 18: 569-615.

Taxonomy

Coccolithus

Biostratigraphy

Stratigraphic Range

Thanetian - Lutetian

Age (Ma)

59.24? - 41.03?

Holotype

Cyclococcolithus anulatus Reinhardt, 1966

Eocene

Bohrung Dolgen, North Germany