Final Epithet
Tonromeinia davidii Bowman & Varol, 2021

Tonromeinia davidii Bowman & Varol, 2021


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.


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.