Bryozoa

Arthrostylus Ulrich, 1888

Selection of related publications
Gorjunova, R. V. 1996. Phylogeny of the Paleozoic bryozoans. Transactions of the Paleontological Institute (PIN) 267, 1-163.
Gorjunova, R. V. 1992. Morphology and system of Paleozoic bryozoans. Transactions of the Paleontological Institute (PIN) 251, 1-152.
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. Bulletin of the US National Museum 77, 1-382.