Stratigraphic range:
Aseri lade (within ca. 463.8–463.0 million years)
Baltoscandian species (in database):
Selection of related publications
Stumbur, H. A. 1962.
Distribution of nautiloids in the Ordovician of Estonia with a description of some new genera.ENSV TA Geoloogia Instituudi uurimusedX,
131-148. ENSV Teaduste Akadeemia Geoloogia Instituudi Uurimused X, pp. 131-148.