Knauer, 1970
From dinoflaj2
Knauer, J., 1970: Calcisphaerula, Pithonella and Stomiosphaera from middle Cretaceous beds of the Rakony Mountains. Földtani Közlöny, v.100, no.1, p.88-90, pl.1.
Knauer, J., 1970: Calcisphaerula, Pithonella and Stomiosphaera from middle Cretaceous beds of the Rakony Mountains. Földtani Közlöny, v.100, no.1, p.88-90, pl.1.
