Family
Petalodontidae Newberry and Worthen, 1866
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 190-59 | Polyrhizodus concavus | Dactylodus concavus St. John & Worthen, 1875 | Carboniferous |
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 190-59 | Polyrhizodus concavus | Dactylodus concavus St. John & Worthen, 1875 | Carboniferous |