Suborder
Orthoceratina Kuhn, 1940
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 100-9 | Orthoceras | Orthoceras sp. | Jõhvi Formation | DI | ||||
| TUG 101-66-1 | Eriditidae | Eriditidae gen. et sp. indet. | Porkuni Stage | FII | ||||
| TUG 101-66-2 | Eriditidae | Eriditidae gen. et sp. indet. | Porkuni Stage | FII | ||||
| TUG 1091-114 | Wenlock | Slite Beds | |||||
| TUG 1217-1 | Striatocycloceras romingeri | Striatocycloceras romingeri (Foerste, 1932) | Haljala Stage | ||||
| TUG 1217-10 | Ctenoceras schmidti | Ctenoceras schmidti Noetling, 1884 | Lasnamägi Stage | ||||
| TUG 1217-11 | Striatocycloceras romingeri | Striatocycloceras romingeri (Foerste, 1932) | Idavere Substage | ||||
| TUG 1217-12 | Striatocycloceras undulostriatum | Striatocycloceras undulostriatum (Hall, 1847) | Jõhvi Substage | ||||
| TUG 1217-2 | Orthoceratidae | Cedarvilleoceras fenestratum (Eichwald, 1860) | Porkuni Stage | ||||
| TUG 1217-3 | Orthoceratidae | Dawsonoceras fenetratum (Eichwald, 1860) | Haljala Stage |