Traits taxon details
original description
(of ) Nechayev [Netchaev/Netschaev/Netschajew], A. V. (1894). Fauna of the Permian deposits of the eastern region of European Russia [= Fauna permskikh otlozheniy vostochnoy polosy Evropeyskoy Rossii / Die Fauna der permischen Ablagerungen des östlichen Theils des europäischen Russlands]. <em>Trudy Obshchestva ispytately prirody pri Imperatorskom Kazanskom universitete.</em> 27(4): 1-503., available online at http://kpfu.ru/portal/docs/F_269604638/A..Netschajew..Die.Fauna.der.permischen.Ablagerungen.des._stlichen.Theils.des.europ_ischen.Russlands_..1894.pdf page(s): 349, pl. XI, figs. 17'a and 17'b [details] 
basis of record
Mazaev A.V. (2015). Upper Kazanian (Middle Permian) gastropods of the Volga–Urals Region. <em>Paleontological Journal.</em> 49(8): 869-986. page(s): 954, pl. figs. 1–8 [details] Available for editors 
|