Zhiltsov & Schileyko (2002)[7] elevated the subfamily Bielziinae to family level, Bielziidae, based on the morphology of the reproductive system of Bielzia coerulans.[7]
Limax Linnaeus, 1758[5] - type genus of the family Limacidae
Limacus Lehmann, 1864; sometimes considered a subgenus of Limax
Bielzia Clessin, 1887 - with the only species Bielzia coerulans M. Bielz, 1851. Some authors, for example Russian malacologists,[5] classify genus Bielzia within separate family Limacopsidae.[5]
^(in French)Lamarck J.-B. 1801. Système des animaux sans vertèbres, ou tableau général des classes, des ordres et des genres de ces animaux; présentant leurs caractères essentiels et leur distribution, d'après la considération de leurs… Paris, Detreville, VIII: 1-432. Page 62, originally spelled under vernacular name "es Limaciers".
^(in Polish) Wiktor A. (1989). Limacoidea et Zonitoidea nuda. Slimaki pomrowioksztaltne (Gastropoda: Stylommatophora). Fauna Poloniae 12, Polska Akademia Nauk, Warszawa, 208 pp., page 141.
^ abcdefghijKantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V.(published online on December 22, 2009). "Catalogue of the continental mollusks of Russia and adjacent territories". Version 2.3.
^Barker G. M.: Gastropods on Land: Phylogeny, Diversity and Adaptive Morphology. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, ISBN0-85199-318-4. 1-146, cited pages: 139 and 142.
^ ab(in Russian) Zhiltsov S. S. & Schileyko A. A. (2002). "Morphology of reproductive system of Bielzia coerulans (Gastropoda, Pulmonata) and phylogenetic relations of the genus Bielzia". Ruthenica12: 73-79. abstract.
^(in German) Gerhardt U. (16 July 1935). "Weitere Untersuchungen zur Kopulation der Nacktschnecken". Zeitschrift für Morphologie und Ökologie der Tiere30(2): 297-332. Page 329.
^(in Russian) Likharev I. M. & Wiktor A. (after 10 November 1980). Slizni fauny SSR i sopredelnykh stran (Gastropoda terrestria nuda) [The fauna of slugs of the USSR and adjacent countries]. Fauna SSSR, Molljuskii, 3(5): 437 pp. Page 290.
^Wiktor A., Quintana J. & Beckmann K.-H. (2007). "Redescription of "Limax majoricensis" (Heynemann 1863) (Gastropoda: Pulmonata: Limacidae) from the Balearic Islands. pp. 187-197. In: Beckmann K.-H.: Die Land- und Süßwassermollusken der Balearischen Inseln. ConchBooks, Hackenheim, 255 pp., ISBN978-3-939767-05-3.