| Streptostyla (Streptostyla) flavescens subsp. flavescens (Shuttleworth, 1852) |
| Streptostyla (Streptostyla) fulvida Crosse & Fischer, 1869 |
| Streptostyla (Streptostyla) glandiformis Crosse & Fischer, 1869 |
| Streptostyla (Streptostyla) gracilis Pilsbry, 1907 |
| Streptostyla (Streptostyla) irrigua (Shuttleworth, 1852) |
| Streptostyla (Streptostyla) irrigua subsp. cingulata Crosse & Fischer, 1869 |
| Streptostyla (Streptostyla) irrigua subsp. irrigua (Shuttleworth, 1852) |
| Streptostyla (Streptostyla) irrigua subsp. quirozi Strebel, 1878 |
| Streptostyla (Streptostyla) irrigua subsp. similis Strebel, 1878 |
| Streptostyla (Streptostyla) irrigua subsp. ventricosa Von Martens, 1891 |
| Streptostyla (Streptostyla) jacobsoni Pilsbry, 1951 |
| Streptostyla (Streptostyla) lattrei (Pfeiffer, 1845) |
| Streptostyla (Streptostyla) lattrei subsp. edwardsiana Crosse & Fischer, 1869 |
| Streptostyla (Streptostyla) lattrei subsp. sallei Crosse & Fischer, 1869 |
| Streptostyla (Streptostyla) maslini Branson & McCoy, 1962 |
| Streptostyla (Streptostyla) meridana (Morelet, 1849) |
| Streptostyla (Streptostyla) meridana subsp. cobanensis (Tristram, 1861) |
| Streptostyla (Streptostyla) meridana subsp. meridana (Morelet, 1849) |
| Streptostyla (Streptostyla) mohriana (Pfeiffer, 1862) |
| Streptostyla (Streptostyla) nebulosa Dall, 1896 |