MolluscaBase taxon details
original description
(of Helix (Vallonia) costata var. asiatica G. Nevill, 1878) Nevill, G. (1878). Mollusca. Scientific Results of the Second Yarkand Mission; based upon the collections and notes of the late Ferdinand Stoliczka Ph.D., 1-21, 1 pl. Calcutta (Office of the Superintendent of Government Printing)., available online at https://www.biodiversitylibrary.org/page/56816818
page(s): 4 [details]
additional source
Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. <em>Sofia/Moskva (Pensoft).</em> 312 pp., 142 plates. [June] [= Pensoft Series Faunistica No 87].
page(s): 38, Fig. 14A [details] Available for editors [request]
additional source
Yen, T.-C. (1939). Die chinesischen Land- und Süßwasser-Gastropoden des Natur-Museums Senckenberg. <em>Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft.</em> 444: 1-233, pl. 1-16. Frankfurt am Main.
page(s): 77, plate 6, fig. 47 [details] Available for editors [request]
additional source
Meng, S. & Gerber, J. (2008). <i>Vallonia ranovi</i> n. sp. from the Pleistocene of Southern Tajikistan (Gastropoda: Pulmonata: Valloniidae). <em>Journal of Conchology.</em> 39 (5): 599-605. [details] Available for editors [request]