Bryozoa

Aspidopora Ulrich, 1882

Selection of related publications
Lavrentjeva, V. D. 1996. Development and Distribution of Bryozoans in the Ordovician of the East-European Platform. Paleontologicheski Zhurnal , 2, 52-66.
Männil, R. M. 1959. On Ordovician stratigraphy and bryozoans of Estonia.
References based on distribution