Porifera

Vikingia Bogoyavlenskaya, 1969

Selection of related publications
Mõtus, M.-A. & Hints, O. (eds) 2007. 10th International Symposium on Fossil Cnidaria and Porifera. Excursion B2: Lower Paleozoic geology and corals of Estonia. Excursion Guidebook.
Nestor, H. E. 1966. Wenlockian and Ludlovian Stromatoporoidea of Estonia. Trudy Instituta geologii AN ESSR , 1-87.