Cervisiella operculata

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

Set number: 2905

1
2
3
4
5
6
7
8

10µm

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

Set number: 2904

1
2
3
4
5
6
7
8
9
10
11
12

10µm

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

Set number: 2903

1
2
3
4
5
6
7
8
9
10

10µm

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

Set number: 2901

1
2

10µm

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

Set number: 2900

1
2

10µm

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

isolated operculum

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

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