Helicosphaerella robinsoniae

(Bown & Dunkley Jones, 2012) Varol, 2025a Apr 10, 2021
Final Epithet
Helicosphaerella robinsoniae (Bown & Dunkley Jones, 2012) Varol, 2025a
Basionym

Helicosphaera robinsoniae Bown & Dunkley Jones, 2012

References

Bown, P. R. & Dunkley Jones T. 2012. Calcareous nannofossils from the Paleogene equatorial Pacific (IODP Expedition 320 Sites U1331-1334). Journal of Nannoplankton Research 32(2): 3-51.

Varol, O. 2025a. A practical guide to optical studies of calcareous nannofossils. Grzybowski Foundation Special Publication. 29: 1-222

Taxonomy
Helicosphaerella
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Oligocene
          • Middle Oligocene
            • Rupelian
        • Eocene
          • Late Eocene
            • Priabonian
Stratigraphic Range
Priabonian - Rupelian
Age (Ma)
37.71? - 31.00
Holotype
H robinsoniae1 H robinsoniae2 H robinsoniae3

Helicosphaera robinsoniae Bown & Dunkley Jones, 2012

Early Oligocene

IODP Expedition 320, Hole 1334A, Pacific Ocean