Porifera

Syringostromellidae Stearn, 1980

Selection of related publications
Nestor, H. 1976. Early Paleozoic stromatoporoids from the Moiero River (North of the Siberian platform).
Nestor, H. E. 1966. Wenlockian and Ludlovian Stromatoporoidea of Estonia. ENSV TA Geoloogia Instituudi uurimused , 1-87.