Coccolithus formosus

(Kamptner, 1963) Wise, 1973 Apr 13, 2021

Coccolithus formosus, Sile, Istanbul, Turkey

Set number: 768

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10µm

Coccolithus formosus, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

in mobile mount

Set number: 1132

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10µm

Coccolithus formosus, Middle Eocene, DSDP Leg 39, Sites 356, Sào Paulo Plateau, South Atlantic Ocean

Set number: 1131

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10µm

Coccolithus formosus, Early Paleocene, Moscow Landing, bank of the Tombigbee River, Alabama, USA

in mobile mount

Set number: 1130

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10µm

Coccolithus formosus, Early Paleocene, Moscow Landing, bank of the Tombigbee River, Alabama, USA

in mobile mount

Set number: 768

1
2
3
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6

10µm

Coccolithus formosus, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

in mobile mount

Final Epithet

Coccolithus formosus (Kamptner, 1963) Wise, 1973

Basionym

Cyclococcolithus formosus Kamptner, 1963

Synonyms

Coccolithus lusitanicus Black, 1964

Ericsonia alternans Black 1964

Cyclococcolithus anulatus Reinhardt, 1966

Cyclococcolithus orbis Gartner & Smith 1966

Coccolithus subcirculus Bown 2016

Description

Medium to large size (5.0-10.0µm), circular species of Coccolithus Schwarz (1894) having a narrow central opening without any central structure.

References

Black, M. 1964. Cretaceous and Tertiary coccoliths from Atlantic seamounts. Palaeontology 7: 306-316.

Bown, P. R. 2016. Paleocene calcareous nannofossils from Tanzania (TDP sites 19, 27 and 38). Journal of Nannoplankton Research. 36(1): 1-32.

Gartner, S. & Smith, L. A. 1967. Coccoliths and related calcareous nannofossils from the Yazoo Formation (Jackson, Late Eocene) of Louisiana. University of Kansas Paleontological Contributions, Papers 20: 1-7.

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

Danian - Latdorfian

Age (Ma)

65.70 - 32.92

Holotype

Cyclococcolithus formosus Kamptner, 1963

Eocene

Material dredged by Mid-Pacific Expedition (1950), sample MP 25c- l (n° 24 in Kamptner's numeration). The dredge was operated in the point 19° 40' N and 168° 32' W - Horizon Guyot - of the Mid-Pacific Ocean, at a depth of 1703 m from the sea level. The sa