Podobné jednotky: A stratigraphical Index of calcareous Nannofossils.
- Calcareous Nannofossils from Neogene of Trinidad, Jamaica, and Gulf of Mexico.
- Coccoliths and related calcareous nannofossils from upper cretaceous deposits of Texas and Arkansas.
- A stratigraphical Index of conodonts.
- Coccoliths and related calcareous nannofossils from the Yazoo formation <Jackson, late eocene> of Louisiana.
- Coccoliths and related calcareous nannofossils from the Yazoo formation <Jackson, late eocene> of Louisiana. Stefan Gartner and Lee A. Smith.
- Stratigraphic Notes