MolluscaBase taxon details
original description
Koken, E. (1925). Die Gastropoden des baltischen Untersilurs. <em>Zapiski Rossiskoi Akademii Nauk. ser. 8, Otdel Fiziko-Mathematicheskikh Nauk [= Mémoires de l'Académie des Sciences de Russie, ser. 8, Classe Physico-mathématique].</em> 37(1): 326 pp., 41 pls. [details]
basis of record
Bouchet, P. & Rocroi, J.-P. (2005). Classification and nomenclator of gastropod families. <em>Malacologia.</em> 47 (1-2): 1-397. [20 July]., available online at https://www.biodiversitylibrary.org/page/25127200 [details] Available for editors [request]
additional source
Missarzhevsky, V. V. (1989). Drevneishie skeletnye okamenelosti i stratigrafiia pogranichnykh tolshch Dokembriia i Kembriia [Oldest skeletal fossils and stratigraphy of Precambrian and Cambrian boundary beds]. <em>Trudy Geologicheskogo Instituta, Akademiia Nauk SSSR.</em> 443: 237 pp., 32 pls.
page(s): 186 [details]
additional source
Ebbestad J.O.R.& Lefebvre B. (2015). An unusual onychochilid mollusc from the Ordovician (Tremadocian) Fezouata Formation, Morocco. <em>Geobios.</em> 48: 427-438., available online at https://doi.org/10.1016/j.geobios.2015.09.004 [details]