Improphantes improbulus (Simon, 1929)
 | Family: : Linyphiidae Genus: : Improphantes Distribution: Abundance: common species,  |
| # | Original Records | Location | Publication | Comment |
|---|---|---|---|---|
| 1. | Tenuiphantes improbulus on kordon Guzeripl near Mt. Abago | Kordon Guzeripl near Mt. Abago (1800 m) | Ponomarev & Chumachenko (2014) | |
| 2. | Tenuiphantes improbulus at Abago | Mt. Abago | Ponomarev et al. (2012) | |
| 3. | 34804: Lepthyphantes improbulus | Teberda State Reserve | Tanasevitch (1990) | |
| 4. | 34806: Lepthyphantes improbulus | Mt. Elbrus | Tanasevitch (1990) | |
| 5. | 34805: Lepthyphantes improbulus | Verhinij Chegem | Tanasevitch (1990) |
| # | Cited Records | Location | Original Publication | Citing Publication |
|---|---|---|---|---|
| 1. | 11061: Lepthyphantes improbulus | Caucasus | citation missing | view citing publication |
| 2. | 25076: Improphantes improbulus | Caucasus | citation missing | view citing publication |
| 3. | 30850: Improphantes improbulus | Caucasus | citation missing | view citing publication |