Conodonta

Cordylodus drucei Miller, 1980

Selection of related publications
Heinsalu, H., Viira, V., Mens, K., Oja, T., Puura, I. 1987. The section of the Cambrian-Ordovician boundary beds in Ülgase, northern Estonia. Proceedings of the Academy of Sciences of the Estonian SSR. Geology 36, 4, 154-165.
Kaljo, D., Borovko, N., Heinsalu, H. Khazanovich, K., Mens, K., Popov, L., Sergejeva, S., Sobolevskaja, R. 1986. The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR). Proceedings of the Academy of Sciences of the Estonian SSR. Geology 35, 3, 97-108.