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Haptophyta
Coccolithophyceae
Eiffellithales
Derivanturportantes sigmoides

Derivanturportantes sigmoides

(Bramlette & Sullivan, 1961) Varol, n. comb. Jan 21, 2022

Set number: 1319

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10µm

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

Set number: 1307

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10µm

Derivanturportantes sigmoides, Late Paleocene, IODP Leg 171, Site 1051A, Black Nose, Western North Atlantic

in mobile mount

Set number: 1310

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10µm

Derivanturportantes sigmoides, Late Paleocene, Santos Basin, Brazil

Set number: 1308

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10µm

Derivanturportantes sigmoides, Late Paleocene, Santos Basin, Brazil

Set number: 1309

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10µm

Derivanturportantes sigmoides, Late Paleocene, Santos Basin, Brazil

Set number: 1315

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10µm

Derivanturportantes sigmoides, Early Paleocene, Alabama, USA

Final Epithet

Derivanturportantes sigmoides (Bramlette & Sullivan, 1961) Varol, n. comb.

Basionym

Zygodiscus sigmoides Bramlette & Sullivan, 1961

Remarks

The persistent highest occurrence of this species is at 56.5Ma.

References

Bramlette, M. N. & Sullivan, F. R. 1961, Coccolithophorids and related nannoplankton of the Early Tertiary in California. Micropaleontology 7(2): 129-188.

Taxonomy

Derivanturportantes

Biostratigraphy

Stratigraphic Range

Danian

Age (Ma)

66.04 - 54.70

Holotype

Zygodiscus sigmoides Bramlette & Sullivan, 1961

Late Paleocene

Lodo section, northwestern Fresno County, central California, USA