Remarks on the taxonomic and biostratigraphic value of the equatorial chamber arrangement in some populations of the Mediterranean Nepholepidina Lineage
F. Schiavinotto, Remarks on the taxonomic and biostratigraphic value of the equatorial chamber arrangement in some populations of the Mediterranean Nepholepidina Lineage, Bollettino della Societa Geologica Italiana Italian Journal of Geosciences, 106(04), 1987, pp. 723-735