original description
Eberzin, A.G. (1962). Solonovatovodnyye kardiidy pliotsena SSSR. Chast' IV. Rod <i>Didacna</i> Eichwald, podrody <i>Pontalmyra</i> i <i>Crassidacna</i>. Trudy Paleontologicheskogo Instituta, 91: 1-179, available online at http://www.geokniga.org/books/14059
page(s): 72-74, pl. 11, figs 14-16 [details]
From editor or global species database
Type locality "Azerbaydzhan, okrestnosti s. Sudur" [surrounding of village Sudur], Azerbaijan; late Pontian, latest Miocene [details]