Order

Pterioida Newell, 1965

Images
TUG 1053-18
Ahtioconcha auris | Ahtioconcha auris Öpik, 1930
Kukruse Stageholotype
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 1246-23
Ambonychia | Ambonychia sp.
Upper Ordovician | Cincinnati, Kope Fm.
TUG 125-284 Ohesaare Stage | K4
TUG 1276-1
Kogulanychia bekkeri | Kogulanychia bekkeri Isakar, 1985
Paadla Stage
TUG 1276-2
Kogulanychia bekkeri | Kogulanychia bekkeri Isakar, 1985
Paadla Stageholotype
TUG 1276-3
Kogulanychia bekkeri | Kogulanychia bekkeri Isakar, 1985
Paadla Stage