Brachiopoda

Crassoseptaria Rõõmusoks, 2004

Selection of related publications
Rõõmusoks, A. 1985. The genera Trigrammaria and Microtrypa (Strophomenidae) in the Ordovician of Baltoscandia. Proceedings of the Academy of Sciences of the Estonian SSR. Geology 34, 4, 133-140.