original description
(of Cyclotus sieversi L. Pfeiffer, 1871) Pfeiffer, L. (1871). Beschreibung neuer Landschnecken. <em>Malakozoologische Blätter. Cassel (Theodor Fischer).</em> 18 (3): 69-71 [Juli 1871]., available online at https://www.biodiversitylibrary.org/page/35502775
page(s): 69-70 [details]
original description
(of Caspicyclotus praesieversi Steklov, 1966 †) Steklov, A.A. (1966). Nazemnyye mollyuski neogena Predkavkaz'ya i ikh stratigraficheskoye znacheniye. Akademia Nauka S.S.S.R., Moskva., available online at http://ashipunov.info/shipunov/school/books/steklov1966_nazemn_moll_neogena_predkavk_gin_163.djvu
page(s): 120-121, pl. 1, figs 3-5 [details]
original description
(of Cyclotus herzi O. Boettger, 1889) Boettger, O. (1889). Die Binnenmollusken Transkaspiens und Chorassans. <em>Zoologische Jahrbücher, Abtheilung für Systematik, Geographie und Biologie der Thiere.</em> 4 (5): 925-982, pl. 26-27. Jena [27 December]., available online at https://www.biodiversitylibrary.org/page/9981438
page(s): 971 [details]
original description
(of Cyclotus (Procyclotus) biggsi Schlesch, 1934) Schlesch, H. (1934). Kleine Mitteilungen X. Archiv für Molluskenkunde, 66 (1): 29-49, pl. 2-6. Frankfurt am Main [1 January].
page(s): 45-46, pl. 5, figs. 1a-c, 2a-c [details]
original description
(of Valvata (Cincinna) brandti Westerlund, 1897) Westerlund, C. A. (1897). Beiträge zur Molluskenfauna Russlands. (Nach den Sammlungen des Zoologischen Museums der Kaiserl. Akademie der Wissenschaften zu St.-Petersburg). <em>Ezhegodnik Zoologicheskogo Muzeya Imperatorskoi Akademii Nauk (Annuaire du Musée Zoologique de l'Académie Impériale des Sciences de St.-Pétersbourg).</em> 2 (2): 117-143, St.-Petersburg [September]., available online at https://www.biodiversitylibrary.org/page/8651948
page(s): 129 [details]
basis of record
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): 11, Fig. 1 C [details] Available for editors [request]
additional source
Biggs, H. E. J. (1971). Mollusca of the Iranian Plateau–III. <em>Journal of Conchology.</em> 27 (4): 211-220. London [29 April].
page(s): 212 [details]
additional source
Forcart, L. (1935). Die Mollusken der nordpersischen Provinz Masenderan und ihre tiergeographische Bedeutung. Archiv für Naturgeschichte, N.F., 4 (3): 404-447. Leipzig.
page(s): 413 [details] Available for editors [request]
From editor or global species database
Type locality “Caucasia meridionali” (Lenkoran, Azerbaijan) [details]