MolluscaBase taxon details
original description
(of Helix clathratula L. Pfeiffer, 1850) Pfeiffer, L. (1850). Beschreibungen neuer Landschnecken. <em>Zeitschrift für Malakozoologie. Cassel.</em> 7 (5): 65-80 (July 1850); 7 (6): 81-89 (August 1850)., available online at https://biodiversitylibrary.org/page/16300365
page(s): 67-68 [details]
original description
(of Helix puteolus W. H. Benson, 1853) Benson, W. H. (1853). Characters of new land shells, collected by Edgar L. Layard, Esq., in Ceylon. <em>Annals and Magazine of Natural History.</em> 12(68): 90-97., available online at https://www.biodiversitylibrary.org/page/22191524
page(s): 92 [details]
basis of record
Naggs, F. & Raheem, D. (2000). Land snail diversity in Sri Lanka. An illustrated guide prepared for the launch of the Darwin Initiative programme. Photography by Harold Taylor. The Natural History Museum, London. pages i-xiii, 1-203. 246 coloured plates. ISBN 0565091514 (printed version), ISBN 0565091565 (compact disc)., available online at https://www.nhm.ac.uk/our-science/data/tropical-land-snails/taxa.dsml [details]