Bryozoa

Xenotrypa Bassler, 1952

Selection of related publications
Männil, R. M. 1959. Stratigraphy of Ordovician Bryozoa from Estonia. Kandidaadi dissertatsioon, 3 köidet (I, II, III), pp. 1-852.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces.. Bull. US National Museum 77, 1-382.
References based on distribution