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): 29-31, pl. 1, figs 6-8 [details]
From editor or global species database
Type locality "Kuban', Il'skiy rayon, verkhov'ye balki Karskoy, odesskiye sloi" [Kuban, Ilski district, upper reaches of Karskiy wash, Odessian layers], Russia; early Pontian, latest Miocene [details]