Mollusks of the tropical eastern Pacific particularly form the southern half of the Panamic-Pacific faunal province (Panama to Peru) ; Panamic- Pacific Pelecupoda - Olsson, Axel A. (Axel Adolf) 1889-1977. (Ithaca, N.Y. Palcontological Research Institution, 1961)
Keywords: Mollusks -- Latin America; Mollusks -- Pacific Coast