| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Murchisoniina |
| Family: | Soleniscidae |
| Genus: | Leptoptygma |
| Species: | simplex |
| Period: | Carboniferous |
| Group: | Conemaugh |
| Formation: | Glenshaw |
| Stratum: | Pine Creek limestone |
Donated to the Carnegie Museum of Natural History. CM 54697