Coccolithus petrinus Stradner, 1969
Toweius petrinus differs from Toweius occultatus by its smaller size, typically less than 6.0μm.
Stradner, H. 1969. The nannofossil of the Eocene Flysch in the Hagembach Valley (Northern Vienna woods), Austria. Rocznik Polskie Towarzystwo Geologiczne = Annales de la Société Géologique de Pologne. 39: 403-432.
Coccolithus petrinus
Stradner, 1969
Early Eocene
Hagenbach Valley, Northern Vienna Woods, Austria.