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Calcisphaerula, Pithonella and Stomiosphaera from middle Cretaceous beds of the Rakony Mountains
| Knauer, J | |
| 1970 | |
| Földtani Közlöny | |
| Calcisphaerula, Pithonella and Stomiosphaera from middle Cretaceous beds of the Rakony Mountains |
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.