original description
Cheltsov, Yu.G. (1964). Yavleniye konvergentsii u akchagyl'skikh maktrid i kardiid [The phenomenon of convergence in Akchagylian maktrids and cardiids]. <em>Paleontologicheskiy Zhurnal.</em> 1964(4): 72-77.
page(s): 75-76, pl. 9, figs 4-7 [details] Available for editors [request]
From editor or global species database
Type locality "Zapadnyy Kopet-Dag, gora Ak-Oba" [Western Kopet-Dag, Ak-Oba mountain] (Turkmenistan) [details]