MolluscaBase name details
original description
Pilsbry, H. A. (1899). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 12: American Bulimulidae: North American and Antillean <i>Drymaeus, Leiostracus</i>, Orthalicinae and Amphibuliminae. pp i-iii, 1-258, pls 1-64. Philadelphia, published by the Conchological Section, Academy of Natural Sciences. [pp. 1-64, pls. 1-15, Mar. 11, 1899; pp. 65-112, pls. 16-28, Jun. 16, 1899; pp. 113-176, pls. 29-46, Aug. 30, 1899; pp. 177-258, i-iii, pls. 47-64, Dec. 14, 1899]. , available online at https://www.biodiversitylibrary.org/page/23561035
page(s): 16, pl. 13, figs. 98-99 [details]