MolluscaBase taxon details
original description
Korobkov I.A. (1939). Моллюски нижнего олигоцена Северного Кавказа (зона Variamussium fallax Korobkov) [= The Lower Oligocene mollusks of North Caucasus (the Variamussium fallax Korobkov zone). <em>Trudy NGRI, series A.</em> 113: 1-94.
page(s): pl. I, fig. 13 [details]