Cervisiella operculata

(Bramlette & Martini, 1964) Streng et al., 2004a Jan 25, 2026

Set number: 2905

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10µm

Cervisiella operculata, Late Campanian, DSDP Leg 36, Site 327A, The Maurice Ewing Bank, Falkland Plateau

Set number: 2904

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10µm

Cervisiella operculata, Late Campanian, DSDP Leg 36, Site 327A, The Maurice Ewing Bank, Falkland Plateau

Set number: 2903

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10µm

Cervisiella operculata, Late Maastrichtian, The specific location cannot be disclosed.

Set number: 2901

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10µm

Cervisiella operculata, Late Maastrichtian, The specific location cannot be disclosed.

Set number: 2900

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10µm

Cervisiella operculata, Late Maastrichtian, The specific location cannot be disclosed.

isolated operculum

Set number: 4406

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10µm

Cervisiella operculata, Late Paleocene, DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean

Set number: 4405

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10µm

Cervisiella operculata, Middle Paleocene, DSDP Leg 74, Site 525A, Walvis Ridge, Angola Basin, Southern Atlantic

Set number: 4404

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10µm

Cervisiella operculata, Early Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4403

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10µm

Cervisiella operculata, Early Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4402

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10µm

Cervisiella operculata, Early Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4401

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10µm

Cervisiella operculata, Early Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 4407

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10µm

Cervisiella operculata, Middle Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Final Epithet

Cervisiella operculata (Bramlette & Martini, 1964) Streng et al., 2004a

Basionym

Thoracosphaera operculata Bramlette & Martini, 1964

Geographical Distribution

The bloom of Cervisiella operculata is recovered from intervals immediately below (latest Maastrichtian) to immediately above (Danian) the Cretaceous–Paleocene mass extinction.

References

Bramlette, M. N. & Martini, E. 1964. The great change in calcareous nannoplankton fossils between the Maastrichtian and Danian. Micropaleontology. 10(2): 291-322.

Streng, M., Hildebrand-Habel, T. & Willems, H. 2004a. A proposed classification of archeopyle types in calcareous dinoflagellate cysts. Journal of Paleontology. 78(3): 456-483.

Taxonomy

Cervisiella

Uncategorised

Biostratigraphy

Stratigraphic Range

Late Campanian - Thanetian

Age (Ma)

76.38? - 56.00?

Holotype

Thoracosphaera operculata Bramlette & Martini, 1964

Danian

McBryde Member, Clayton Formation, Midway Group, near Livingston, Alabama, USA