MolluscaBase name details
original description
(of Helix cerea A. Gould, 1850) Gould, A.A. (1850). New species of shells from Africa, presented by Dr Perkins. <em>Proceedings of the Boston Society of Natural History.</em> 3: 193–197., available online at https://www.biodiversitylibrary.org/page/8870495
page(s): 194. [details]
new combination reference
Tryon, G. W. (1886). <i>Manual of conchology, structural and systematic, with illustrations of the species</i>. Ser. 2, Pulmonata. Vol. 2: Zonitidae. pp 1-265, pls 1-64. Philadelphia, published by the author. [pp. 1-64, pls 1-14, Jan. 23, 1886; pp. 65-128, pls 15-42, May 3, 1886; pp. 129-192, pls 43-58, Jul. 28, 1886; pp. 193-265, pls 59-64, Nov. 24, 1886]. , available online at https://www.biodiversitylibrary.org/page/1288002
page(s): 128. [details]