Tonromeinia davidii

Bowman & Varol, 2021 Dec 28, 2022
Final Epithet
Tonromeinia davidii Bowman & Varol, 2021
Basionym

Tonromeinia davidii Bowman & Varol, 2021

Remarks

A large (8.0–11.0μm) circular species of Tonromeinia. The diameter of the empty central opening is twice (2x) greater than

the width of the discs/column.

References

Bowman, P. R. & Varol, O., 2021. A Taxonomic Revision of Heliolithaceae - Applications in Resolving the Problematic Calcareous Nannofossil Biostratigraphy of the Paleocene. In M. Montenary, M. (ed.). Calcareous nannofossil biostratigraphy of the Stratigraphy and timescales. 6, 43-223.

Taxonomy
Tonromeinia
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Paleocene
          • Late Paleocene
            • Thanetian
Stratigraphic Range
Thanetian
Age (Ma)
57.60 - 57.00
Zone(s)
NP8 - NP9
Holotype
Tonromeinia davidii 25663 Tonromeinia davidii 25663 Tonromeinia davidii 25663 Tonromeinia davidii 25663

Tonromeinia davidii Bowman & Varol, 2021

Late Paleocene

DSDP Leg 36, Site 327A, The Maurice Ewing Bank, Falkland Plateau