Tonromeinia bilenii Bowman & Varol, 2021
A medium size (5.0–8.0μm) circular species of Tonromeinia.
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.
Tonromenia bilenii
Bowman & Varol, 2021
Late Paleocene
DSDP Leg 36, Site 327A, The Maurice Ewing Bank, Falkland Plateau