Меловой период

Jurková, E. Skupien, P. (2019) Upper Barremian to Lower Aptian dinoflagellate cysts in the dark pelitic sediments of the southern part of the Kotouč Quarry near Štramberk (Silesian Unit, Western Carpathians) // Geoscience Research Reports, 52, 1, 27–33. (in Czech)
http://www.geology.cz/img/zpravyvyzkum/ ... 190207.pdf