Porifera

Pachystylostroma Nestor, 1964

Selection of related publications
Nestor, H. 1976. Early Paleozoic stromatoporoids from the Moiero River (North of the Siberian platform).
Webby, B. D. 1969. Ordovician Stromatoporoids from New South Wales. Palaeontology 12, 4, 637-662.
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.