original description
Eberzin, A.G. (1959). Solonovatovodnyye kardiidy pliotsena SSSR. Chast' III. <i>Prosodacna, Prionopleura</i> i <i>Pachydacna</i>. Trudy Paleontologicheskogo Instituta, 74: 1-196, available online at http://www.geokniga.org/books/14010
page(s): 135-137, pl. 25, figs 1-3 [details]
original description
(of Pachydacna transilis Eberzin, 1959 †) Eberzin, A.G. (1959). Solonovatovodnyye kardiidy pliotsena SSSR. Chast' III. <i>Prosodacna, Prionopleura</i> i <i>Pachydacna</i>. Trudy Paleontologicheskogo Instituta, 74: 1-196, available online at http://www.geokniga.org/books/14010
page(s): 131-135, pl. 23, figs 14-23 [details]
From editor or global species database
Type locality "Abkhaziya, r. Duab u b. Mokvinskogo monastyrya, sredniy gorizont sloyev Duaba" [Abkhazia, river Duab at the former Mokvi monastery, middle Duab beds], Georgia; Duab beds, Kimmerian, early Pliocene [details]