Bryozoa

Cyphotrypa Ulrich et Bassler, 1904

Selection of related publications
Brood, K. 1979. Bryozoans. Sveriges Geologiska Undersökning C762, 175, 172-180. Lower Wenlock faunal and floral dynamics - Vattenfallet section, Gotland, pp. 172-180.
Astrova, G. G. 1978. The history of development, system, and phylogeny of the Bryozoa: Order Trepostomata. Transactions of the Paleontological Institute (PIN) 169, 1-240.
Pushkin, V. I. 1976. New species of Ordovician and Silurian Bryozoans of the Brest Depression. New species of fossil animals and plants of Byelarus, pp. 3-40.
Astrova, G. G., Kopaevich, V. G. 1970. Bryozoa. The Silurian of Estonia, pp. 130-140.
Astrova, G. G. 1970. New Silurian and Early Devonian Bryozoa, Cystoporata and Trepostomata in Estonia and Podolia. New species of Palaeozoic Bryozoa and Corals, pp. 7-22.
Männil, R. M. 1959. Stratigraphy of Ordovician Bryozoa from Estonia. Kandidaadi dissertatsioon, 3 köidet (I, II, III), pp. 1-852.
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie. Tudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) , 91-167. Stratigraphy and fauna of the Ordovician and Silurian West Russian Platform, pp. 91-167.