Helicosphaerella bipuncta

(de Kaenel & Bergen in Boesiger et al., 2017) Varol, n. comb. Sept 10, 2020

Set number: 4641

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10µm

Helicosphaerella bipuncta, Middle Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 332

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10µm

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

Set number: 331

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10µm

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

Final Epithet

Helicosphaerella bipuncta (de Kaenel & Bergen in Boesiger et al., 2017) Varol, n. comb.

Basionym

Helicosphaera bipuncta de Kaenel & Bergen in Boesiger et al., 2017

References

Boesiger, T. M., de Kaenel, E., Bergen, J. A., Browning, E. & Blair, S. A. 2017. Oligocene to Pleistocene taxonomy and stratigraphy of the genus Helicosphaera and other placolith taxa in the circum North Atlantic Basin. Journal of Nannoplankton Research. 37(2-3): 145-175.

Taxonomy

Helicosphaerella

Uncategorised

Biostratigraphy

Stratigraphic Range

Latdorfian - Langhian

Age (Ma)

33.90? - 15.65

Holotype

Helicosphaera bipuncta de Kaenel & Bergen, in Boesiger et al., 2017

Early Miocene

ODP Leg 154, Hole 925A, Ceará Rise, Equatorial Atlantic Ocean