Gural-Sverlova, N.V., Gural, R.I. and Rodych, T.V. 2021. Shell banding and color polymorphism of the introduced snail Cepaea nemoralis (Gastropoda, Helicidae) in Lviv, Western Ukraine. Zoodiversity. 55, 1 (Jan. 2021). DOI:https://doi.org/10.15407/zoo2021.01.051.