MolluscaBase name details
original description
(of Cyclas ryckholti Normand, 1844) Normand, N. A. J. (1844). Notice sur plusieurs nouvelles espèces de Cyclades découvertes dans les environs de Valenciennes. Paris; Valenciennes, A., 8 pp., plate 1. , available online at http://biodiversitylibrary.org/page/35730160
page(s): 7, figs. 5-6; note: as Cyclas ryckholtii. [details]
basis of record
Vinarski, M. V.; Kantor, Yu. I. (2016). Analytical catalogue of fresh and brackish water molluscs of Russia and adjacent countries. A. N. Severtsov Institute of Ecology and Evolution of Russian Academy of Science, Moscow, 544 pp.
page(s): 96 [details] Available for editors [request]