@inbook{WoRMS:SourceID:173129, author = {Pilsbry, H. A.}, title = {Manual of conchology, structural and systematic, with illustrations of the species. Ser. 1. Vol. 11: Trochidae, Stomatiidae, Pleurotomariidae, Haliotidae. pp 1-519, pls 1-67. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-14, Apr. 17, 1889; pp. 65-128, pls. 15-32, Jul. 5, 1889; pp. 129-208, pls. 33-50, Sept. 30, 1889; pp. 44a, 209-519, pls. 51-67, Mar. 7, 1890]}, url = {http://www.biodiversitylibrary.org/item/77915}, year = {1889-1890} }