(sect. Truncacila), 1931

Grant, U. S. & Gale, Hoyt Rodney, 1931, Catalogue of the marine Pliocene and Pleistocene Mollusca of California and adjacent regions. With notes on their morphology, classification, and nomenclature and a special treatment of the Pectinidae and the Turridae (including a few Miocene and Recent Species)., Memoirs of the San Diego Society of Natural History 1, pp. 1-1036 : 115

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