Bryozoa

Xenotrypa Bassler, 1952

Selection of related publications
Männil, R. M. 1959. On Ordovician stratigraphy and bryozoans of Estonia.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
References based on distribution