Obturolithus filewiczii

(Wise & Wiegand in Wise, 1983) Varol, n. comb. Jul 14, 2021

Set number: 1085

  • Filewiczii 1
    5µm
Obturolithus filewiczii

Set number: 1084

  • Obturolithus stavensis 135 1
  • Obturolithus stavensis 136 2
    10µm
Obturolithus stavensis, Middle Oligocene, DSDP Leg 25, Site 242, Mozambique Channel (Davie Ridge), Indian Ocean

with Obturolithus filewiczii & Obturolithus bisectus
Final Epithet
Obturolithus filewiczii (Wise & Wiegand in Wise, 1983) Varol, n. comb.
Basionym

Reticulofenestra bisecta filewiczii Wise & Wiegand in Wise, 1983

Synonyms

Reticulofenestra filewiczii (Wise & Wiegand in Wise, 1983) Dunkley Jones et al., 2009

Dimensions Of Holotype

Length: 8.0µm

Description

Large (8.0 - 10.0µm) species of Obturolithus having a plug partly closed the central area.

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.

Wise, S. W., 1983. Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project 71, 481-550.

Taxonomy
Obturolithus
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Neogene
        • Miocene
          • Early Miocene
            • Burdigalian
      • Paleogene
        • Eocene
          • Middle Eocene
            • Lutetian
Stratigraphic Range
Lutetian - Burdigalian
Age (Ma)
44.30? - 18.50
Holotype
Filewiczii

Reticulofenestra bisecta filewiczii Wise & Wiegand in Wise, 1983

Late Eocene

DSDP Leg 71, Site 511, Falkland Plateau, southeast Atlantic Ocean