The Commission has conserved the current usage of the name Euspira helicina (Brocchi, 1814) for a species of naticine gastropod from the Pliocene of Piacenza area, Italy by setting aside previous type fixations and designating a neotype.
Nerita helicina Brocchi, 1814 (currently Euspira helicina; Mollusca, Gastropoda, naticidae): specific name conserved by the designation of a neotype," The Bulletin of Zoological Nomenclature 67(2), 183-184, (1 June 2010). https://doi.org/10.21805/bzn.v67i2.a11