Denisea orbis

(Bown, 2016) Varol, 2022 Jun 06, 2022

Set number: 533

  • Denisea orbis 22446 1
  • Denisea orbis 22447 2
  • Denisea orbis 22451 3
  • Denisea orbis 22449 4
    10µm
Denisea orbis, Late Paleocene, DSDP Leg 25, Site 245, Mozambique Channel (Davie Ridge), Indian Ocean

Set number: 534

  • Denisea orbis 53844 1
  • Denisea orbis 53845 2
  • Denisea orbis 53850 3
  • Denisea orbis 53847 4
    10µm
Denisea orbis, Late Paleocene, DSDP Leg 39, Sites 354, Ceará Rise, North Atlantic Ocean
Final Epithet
Denisea orbis (Bown, 2016) Varol, 2022
Basionym

Ericsonia orbis Bown, 2016

Description

Denisea species smaller than 5.0 μm are assigned to Denisea orbis.

Remarks

The small size of Denisea orbis distinguishes it from the other circular species of Denisea.

References

Bown, P. R. 2016. Paleocene calcareous nannofossils from Tanzania (TDP sites 19, 27 and 38). Journal of Nannoplankton Research. 36(1): 1-32.

Varol, O. 2022. Denisea, a new genus of Paleocene calcareous nannofossils. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 304/2 (2022): 159-186.

Taxonomy
Denisea
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Paleocene
          • Late Paleocene
            • Thanetian
          • Early Paleocene
            • Danian
Stratigraphic Range
Danian - Thanetian
Age (Ma)
63.45 - 52.50?
Holotype
Denisea orbis 53844 Denisea orbis 53844

Ericsonia orbis Bown, 2016

Middle Paleocene

TDP Site 27, Kimamba Hill, Kilwa, Tanzania.