original description
Pfeiffer, L. (1866). Beschreibung neuer Landschnecken. <em>Malakozoologische Blätter.</em> 13(2): 76-91 [April 1866].
page(s): 78 [details]
additional source
Pilsbry, H. A. (1931). <i>Helix effusa</i> Pfr. <em>The Nautilus.</em> 45(2): 72., available online at https://www.biodiversitylibrary.org/page/8527903
page(s): 72 [details]
From editor or global species database
Type locality Monte Platon [details]