Genus
Columnaria Goldfuss, 1826
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 134-1515 | Columnaria | Columnaria sp.  | Porkuni Stage | z 4 | ||||
| GIT 96-9 | Columnaria | Columnaria sp.  | Sandbian | 5b | 
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 134-1515 | Columnaria | Columnaria sp.  | Porkuni Stage | z 4 | ||||
| GIT 96-9 | Columnaria | Columnaria sp.  | Sandbian | 5b |