Porifera

Pachystylostroma Nestor, 1964

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.
Nestor, H. E. 1964. Ordovician and Llandoverian Stromatoporoidea of Estonia.