Reference

D.R. Lindberg, J.H. McLean (1981): Tropical eastern pacific limpets of the family Acmaeidae (Mollusca, Archaeogastropoda): generic criteria and descriptions of six new species from the Mainland and Galapagos Islands – Proceeding of the California Academy of (Natural) Sciences San Francisco. (Von 1884-1887 betitelt Bulletin). – 42(12): 323 - 339.