Heliolithus nefroeidis Bowman and Varol, 2021
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.