| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Bellerophontida |
| Family: | Bellerophontidae |
| Genus: | Pharkidonotus |
| Species: | percarinatus |
| Period: | Carboniferous |
| Group: | Conemaugh |
| Formation: | Glenshaw |
| Stratum: | Pine Creek limestone |
Scale bar = 5 mm.
Scale bar = 5 mm