Bryozoa

Hemiphragma Ulrich, 1893

Selection of related publications
Ernst, A. 2022. Bryozoan fauna from the Kunda Stage (Darriwilian, Middle Ordovician) of Estonia and NW Russia. Bulletin of Geosciences , 33-68. DOI:10.3140/bull.geosci.1843
Koromyslova, A. V., Fedorov, P. V. 2021. The oldest bifoliate cystoporate and two other bryozoan taxa from the Dapingian (Middle Ordovician) of north-western Russia. Journal of Paleontology 95, 1, 24-39. DOI:10.1017/jpa.2020.73
Ernst, A., Nakrem, H. A. 2011. Stenolaemate bryozoans from the Mjøsa Formation (Late Ordovician, Katian) of Helgøya (Mjøsa), southern Norway. Norwegian Journal of Geology 91, 3, 163-180.
Koromyslova, A. V. 2011. Bryozoans of the Latorp and Volkhov horizons (Lower-Middle Ordovician) of the Leningrad Region. Paleontological Journal 45, 8, 887-980. DOI:10.1134/S0031030111080028
Pushkin, V. I., Popov, L. E. 1999. Early Ordovician bryozoans from north-western Russia. Palaeontology 42, 1, 171-189. DOI:10.1111/1475-4983.00067
Gorjunova, R. V. 1996. Phylogeny of the Paleozoic bryozoans. Transactions of the Paleontological Institute (PIN) 267, 1-163.
Pushkin, V. I. 1987. Ordovikskie mšanki podotrâda Halloporina Belorussii i smežnyh rajonov Vostočno- Evropejskoj platformy. Ordovik Belorussii, pp. 145-232.
Modzalevskaya, E. A. 1986. Bryozoa of the family Dittoporidae from Ordovician of Leningrad area. Ežegodnik Vsesoûznogo Paleontologičeskogo Obŝestva XXX, 74-91.
Gorjunova, R. V. 1985. Morfologiâ, sistema i filogeniâ mšanok (otrâd Rhabdomesida). Transactions of the Paleontological Institute (PIN) , 208, 1-152.
Astrova, G. G. 1978. Istoriâ razvitiâ, sistema i filogeniâ mšanok otrâda Trepostomata. Transactions of the Paleontological Institute (PIN) 169, 1-240.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Männil, R. M. 1959. On Ordovician stratigraphy and bryozoans of Estonia.
Modzalevskaya, E. A. 1953. Trepostomaty ordovika Pribaltiki i ih stratigraficheskoe znachenie. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) , 91-167. Stratigraphy and fauna of the Ordovician and Silurian West Russian Platform, pp. 91-167.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
Dybowski, W. 1877. Die Chaetetiden der ostbaltischen Silur-formation.