Bryozoa

Orbignyella Ulrich et Bassler, 1904

Selection of related publications
Spjeldnaes, N. 1984. Upper Ordovician Bryozoans from Ojl Myr, Gotland, Sweden. Bulletin of Geological Institutions of the University of Uppsala 10, 1-66.
Brood, K. 1981. Hirnantian (Upper Ordovician) Bryozoa from Baltoscandia. Recent and Fossil Bryozoa: Papers Presented at the 5° International Conference on Bryozoa, pp. 19-27.
Brood, K. 1980. Late Ordovician Bryozoa from Ringerike, Norway. Norsk Geologisk Tidsskrift 60, 3, 161-174.
Astrova, G. G., Kopaevich, V. G. 1970. Bryozoa. The Silurian of Estonia, pp. 130-140.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
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.