Brachiopoda

Cyrtioidae Fredericks, 1924

Selection of related publications
Bassett, M. G., Kaljo, D., Teller, L. 1989. The Baltic region. National Museum of Wales, Geological Series 9, 158-170. A Global Standard for the Silurian System, pp. 158-170.
Rubel, M., Musteikis, P., Popov, L. 1984. Systematic register of the Baltic Silurian brachiopods.
Tsegelnjuk, P. D. 1976. Brachiopods and stratigraphy of the lower Palaeozoic of Volyno-Podolia.
Bassett, M. G., Cocks, L. R. M. 1974. A review of Silurian brachiopods from Gotland. Fossils and Strata 3, 1-56.
Rubel, M. 1970. On the distribution of brachiopods in the lowermost Llandovery of Estonia. Proceedings of the Academy of Sciences of the Estonian SSR. Chemistry and Geology 19, 1, 69-79.
Rubel, M. P. 1970. Silurian Brachiopods Pentamerida and Spiriferida of Estonia.