Reference

Karol Borza (1986): *Carpistomiosphaera valanginiana* n. sp. and *Colomisphaera lucida* n. sp. from the Lower Cretaceous of the West Carpathians – Geol. Zb. - Geol. Carpathica [Geol. Sb. Bratislava ???lt. COR] – 37: 17 - 34.