Ulrichostylus divaricatus (Ulrich, 1886)

Synonymy list
1911     Helopora divaricata Ulrich — Bassler, pp. 149, fig. text fig. 72
1970     Helopora divaricata Ulrich — Rõõmusoks, pp. 174
Selection of related publications
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
References based on distribution