original description
Held, F. (1837-1838). Notizen über die Weichthiere Bayerns. Isis (Oken), 30 (4): 303-309 (1837); 30 (12): 901-919 (1838). Leipzig., available online at https://biodiversitylibrary.org/page/27411580
page(s): 910 [details]
context source (MSBIAS)
Marine Biological Association of the United Kingdom. (2023). 2019 The Marine Biological Association of the UK (MBA) Wembury Bioblitz survey. The Archive for Marine Species and Habitats Data (DASSH). , available online at https://portal.medin.org.uk/portal/start.php#details?tpc=010_71a02145fae5466afe757cd48b999ded [details]
basis of record
De Smet, W.H.O.; Van Rompu, E.A. (1989). Thrush predation shell polymorphism in <i>Cepaea nemoralis</i> (L.) (Helicidae) along the Belgian coastal dunes. <i>Ann. Soc. Roy. Zool. Bel. 119(2)</i>: 213-214 (look up in IMIS) [details]
additional source
Cain, A. J. & Currey, J. D. (1963). Area effects in <i>Cepaea</i>. <em>Philosophical Transactions of the Royal Society of London, Series B.</em> no. 726, 246: 1-81. [details]
From editor or global species database
From other sources