Subclass
Orthoceratia Teichert, 1967
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 100-9 | Orthoceras | Orthoceras sp. | Jõhvi Formation | DI | ||||
| 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 | ||||
| TUG 1217-4 | Orthoceratidae | Ctenoceras sweeti Kröger & Isakar, 2006 | Lasnamägi Stage | paratype | |||
| TUG 1217-5 | Orthoceratidae | Cedarvilleoceras fenestratum (Eichwald, 1860) | Porkuni Stage |