Gephyrocapsa dentata

Halldal & Markali, 1955 Aug 29, 2025

Set number: 2232

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Gephyrocapsa dentata, Pleistocene, The Solomon Islands

Length: 5.00µm

Set number: 1531

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10µm

Gephyrocapsa dentata, Middle Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Set number: 1515

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10µm

Gephyrocapsa dentata, Late Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Set number: 1530

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10µm

Gephyrocapsa dentata, Late Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Set number: 1493

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10µm

Gephyrocapsa dentata, Late Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Set number: 1510

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10µm

Gephyrocapsa dentata, Late Pleistocene, DSDP Leg 23, Site 229A, Red Sea

Final Epithet

Gephyrocapsa dentata Halldal & Markali, 1955

Basionym

Gephyrocapsa dentata Halldal & Markali, 1955

Synonyms

Gephyrocapsa lumina Bukry, 1973c; Holotype Length: 4.0µm, Bridge angle to major axis: ~45°

Dimensions Of Holotype

Length: 5.2µm

Bridge angle to major axis: ~61°

Remarks

Medium-sized species of Gephyrocapsa are distinguished by a central area narrower than the pelaga, with a bridge set at a high angle to the major axis of the placolith.

References

Bukry, D., 1973c. Coccolith stratigraphy, eastern equatorial Pacific, Leg 16, Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project 16, 653-711.

Halldal, P. & Markali, J., 1955. Electron microscope studies on coccolithophorids from the Norwegian Sea, the Gulf Stream and the Mediterranean. Avhandlinger utgitt av det Norske Videnskapsakademi i Oslo. Matematisk-Naturvidenskapelig Klasse. 1955(1), 1-30.

Taxonomy

Gephyrocapsa

Biostratigraphy

Stratigraphic Range

Calabrian - Tarantian

Age (Ma)

1.80? - 0.01?

Holotype

Gephyrocapsa dentata Halldal & Markali, 1955

Extant

Atlantic Ocean