Genus
Isorthoceras Flower, 1962
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1307-26 | Keila Stage | Vasalemma kihistu | holotype | ||||
| TUG 1307-5 | Keila Stage | Vasalemma kihistu | |||||
| TUG 1393-16 | Vasalemma Formation | DII-DIIIV | paratype | ||||
| TUG 1393-22 | Vasalemma Formation | DII-DIIIV | paratype | ||||
| TUG 1393-45 | Keila Stage | DII-DIIIV | |||||
| TUG 1585-18b | Rummu 1, Saku | Vasalemma Formation | DII-DIIIV | holotype | |||
| TUG 1585-18c | Rummu 1, Saku | Vasalemma Formation | DII-DIIIV | ||||
| TUG 1585-23 | Rummu 1 | Vasalemma Formation | DII-DIIIV | ||||
| TUG 1585-25 | Rummu 1 | Vasalemma Formation | DII-DIIIV | ||||
| TUG 1585-41 | Rummu 1 | Keila Stage | holotype |