Order
Pterioida Newell, 1965
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1053-18 | Ahtioconcha auris | Ahtioconcha auris Öpik, 1930 | Kukruse Stage | holotype | |||
| TUG 1091-167 | Ludlow | Burgsvik Fm. | |||||
| TUG 1091-168 | Ludlow | Burgsvik Fm. | |||||
| TUG 1091-20 | Ludlow | Burgsvik Formation | |||||
| TUG 1110-176 | Ahtioconcha auris | Ahtioconcha auris Öpik, 1930 | Kukruse Stage | ||||
| TUG 1142-20 | Kukruse Stage | CII | lectotype | ||||
| TUG 1246-23 | Ambonychia | Ambonychia sp. | Upper Ordovician | Cincinnati, Kope Fm. | ||||
| TUG 125-284 | Ohesaare Stage | K4 | |||||
| TUG 125-545 | Jaagarahu Stage | J2 | |||||
| TUG 1276-1 | Kogulanychia bekkeri | Kogulanychia bekkeri Isakar, 1985 | Paadla Stage |