Brachiopoda
Family

Ceratretidae Rowell, 1965

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Selection of related publications
Holmer, H., Popov, L. E. 1990. The acrotretacean brachiopod Ceratreta tanneri (Metzger) from the Upper Cambrian of Baltoscandia. GFF 112, 3, 249-263. DOI:10.1080/11035899009454772
Popov, L. E., Khazanovich, K. K. 1989. Lingulata (inarticulate brachiopods with phosphate-calcium shell).The Key sections and stratigraphy of the phosphate bearing Obolus beds of the North-East of the Russian platform , pp. 96-136. Nauka.
Kaljo, D., Borovko, N., Heinsalu, H., Khazanovich, K., Mens, K., Popov, L., Sergejeva, S., Sobolevskaya, R., Viira, V. 1986. The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR). Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 35, 3, 97-108. DOI:10.3176/geol.1986.3.01
List of species
1. Ceratreta tanneri (Metzger, 1922) | Upper Cambrian (old nomenclature)
2. Keyserlingia buchii (Verneuil, 1845) | Upper Cambrian (old nomenclature)
3. Keyserlingia reversa (Verneuil, 1845) | Upper Cambrian (old nomenclature)