Collecting site
Orenburg (Оренбург, Chkalov, Tschkalow), Russia
latitude: 51.772701     51°46'21.72"N
longitude: 55.098801     55°5'55.68"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication] 
Collected here:
| Typhloplana viridata (Abildgaard, 1789) | 1921 or earlier |  |  | Russland.  Orenburg. | 
| Strongylostoma radiatum (Müller, 1774) | 1924 or earlier |  |  |  | 
| Olisthanella truncula (Schmidt, 1858) | 1921 or earlier |  |  |  | 
| Mesostoma ehrenbergii (Focke, 1836) | 1921 or earlier |  |  |  | 
| Mesostoma lingua (Abildgaard, 1789) | 1902 or earlier |  |  |  | 
| Bothromesostoma personatum (Schmidt, 1848) | 1921 or earlier |  |  |  | 
| Gieysztoria cuspidata (Schmidt, 1861) | 1921 or earlier |  |  | Orenburg, an den Flüssen Ural u. Emba. | 
| Gieysztoria rubra (Fuhrmann, 1894) | 1921 or earlier |  |  | Orenburg, Teich. | 
| Gieysztoria virgulifera (Plotnikow, 1906) | 1922 or earlier |  |  | Orenburg. | 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1922 or earlier |  |  | Orenburg: Fluss Emba |