original descriptionPravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274. page(s): 240-241, pl. 6, figs 20, 21 [details] Available for editors [request]
original description(ofDidacna elongatoovata Pravoslavlev, 1939 †)Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274. page(s): 236, pl. 5, figs 19-21 [details] Available for editors [request]
original description(ofDidacna hians Pravoslavlev, 1939 †)Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274. page(s): 252-253, pl. 8, figs 17-19 [details] Available for editors [request]
original description(ofDidacna praeprotracta Pravoslavlev, 1939 †)Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274. page(s): 256-257, pl. 9, figs 9, 10 [details] Available for editors [request]
original description(ofDidacna ovatula Pravoslavlev, 1939 †)Pravoslavlev, P.A. (1939). <i>Didacna</i> Eichw. drevnekaspiyskikh otlozheniy Baskunchakskogo rayona [<i>Didacna</i> Eichw. from ancient Caspian deposits of the Baskunchak region]. <em>Uchenyye zapiski Leningradskogo gosudarstvennogo universiteta, seriya geologo-pochvennykh nauk.</em> 34(7): 209-274. page(s): 233, pl. 5, figs 9, 10 [details] Available for editors [request]
basis of recordNevesskaja, L.A. (2007). History of the genus <i>Didacna</i> (Bivalvia: Cardiidae). <em>Paleontological Journal.</em> 41(9): 861-949. page(s): 915-916, pl. 15, figs 12-17 [details] Available for editors [request]
additional sourceYanina, T.A. (2005). Didakny Ponto-Kaspiya [Didacnas of the Ponto-Caspian Region]. Majenta, Moscow-Smolensk, 300 pp. page(s): 223 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality
Synonymy Considered a synonym of Didacna catillus grimmi Pravoslavlev, 1939 by Yanina (2005). That taxon was, in turn, considered a synonym of Didacna subrudis Pravoslavlev, 1939 by Nevesskaja (2007) [which was also listed in synonymy of Didacna catillus grimmi by Yanina 2005]. [details] Type locality Shore of Lake Baskunchak, Oblast Astrachan, Russia; Lower Khazarian [details]
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