Suborder
Ctenacanthidae Dean, 1909
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 779-1 | Ctenacanthus | Ctenacanthus sp. | Frasnian | ||||
| GIT 783-1 | Tournaisian | Malevka Regional Stage | holotype |
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 779-1 | Ctenacanthus | Ctenacanthus sp. | Frasnian | ||||
| GIT 783-1 | Tournaisian | Malevka Regional Stage | holotype |