1961Paurorthis valida sp. nov. — Rubel, pp. 195-196, fig. 23: 11-14; 24: 1-2
Selection of related publications
Rubel, M. P. 1961.
Lower-Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic.ENSV TA Geoloogia Instituudi uurimusedVI,
141-226. ENSV Teaduste Akadeemia Geoloogia Instituudi Uurimused VI, pp. 141-226.