Order
Holocephali Bonaparte, 1832
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 190-58 | Psammodus porosus | Psammodus porosus | Carboniferous | ||||
| TUG 190-59 | Polyrhizodus concavus | Dactylodus concavus St. John & Worthen, 1875 | Carboniferous |
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 190-58 | Psammodus porosus | Psammodus porosus | Carboniferous | ||||
| TUG 190-59 | Polyrhizodus concavus | Dactylodus concavus St. John & Worthen, 1875 | Carboniferous |