Bivalvia

Palaeoheterodonta Newell, 1965

Selection of related publications
Kisselev, G. N., Sinitsyna, I. N., Isakar, M. A., Mironova, M. G., Saladzhius, V. Y. 1990. Atlas of Upper Ordovician and Silurian molluscs from the nort-western part of East-European platform.
Isakar, M., Sinitsyna, I. 1985. Redescription of E. Eichwald's Ordovician bivalve species. Proceedings of the Academy of Sciences of the Estonian SSR. Geology 34, 2, 46-54.
Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta Univ. Tartu A II, 1, 1-90.