Opinion 1720 Cycloceras M'coy, 1844 (Mollusca, Nautiloidea): C Laevigatum M'coy, 1844 designated as the type species, and a neotype designated for C. Laevigatum
Published in Bulletin of Zoological Nomenclature, in 1993, in volume 50, pages 159-160
Date published:1993-06-30