Clausicoccus ongii

Set number: 2134

Clausicoccus ongii, Early Eocene, Sile, Istanbul, Turkey

8.8µm

Set number: 360

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10µm

Clausicoccus ongii, Early Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 653

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10µm

DSDP Leg 39, Sites 356, Sào Paulo Plateau, South Atlantic Ocean

Set number: 620

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10µm

Clausicoccus ongii, Early Miocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 654

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10µm

Clausicoccus ongii, Late Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 2136

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10µm

Clausicoccus ongii, Late Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Final Epithet

Clausicoccus ongii Varol, 1989b

Basionym

Clausicoccus ongii Varol, 1989b

Variants

Clausicoccus norrisii Bown & Newsam, 2017

Description

Large species of Clausicoccus, exceeding 6.0 µm, with a central area bearing fine pores arranged in two complete concentric cycles. Distinguished from Clausicoccus fenestratus by its larger size.

References

Bown, P. R. & Newsam, C. 2017. Calcareous nannofossils from the Eocene North Atlantic Ocean (IODP Expedition 342 Sites U1403–1411). Journal of Nannoplankton Research 37(1): 25-60.

Prins, B. 1979. Notes on nannology 1. Clausicoccus, a new genus of fossil Coccolithophorids. INA Newsletter 1: N2-N4.

Varol, O. 1989b. Eocene calcareous nannofossils from Sile (northwest Turkey). Revista Española de Micropaleontología 21: 273-320.

Taxonomy

Clausicoccus

Biostratigraphy

Stratigraphic Range

Thanetian - Bartonian

Age (Ma)

54.13? - 22.90?

Holotype

Clausicoccus ongii Varol, 1989

Early Eocene

Sile, Istanbul, Turkey