Species
Pteronitella retroflexa (Wahlenberg, 1821)
| Images | ||||||
|---|---|---|---|---|---|---|
| TUG 1091-167 | Ludlow | Burgsvik Fm. | |||||
| TUG 1091-168 | Ludlow | Burgsvik Fm. | |||||
| TUG 1091-20 | Ludlow | Burgsvik Formation | |||||
| TUG 1597-75 | Pteronitella retroflexa | Pteronitella retroflexa (Wahlenberg, 1821) | Devonian | Kesk-Devon | ||||
| TUG 1779-510 | Pteronitella retroflexa | Pterinea retroflexa | Kaugatuma Stage | K3bÄ | ||||
| TUG 1779-515 | Ohesaare Stage | K4 | |||||
| TUG 1850-166 | Ludlow | Burgsvik Fm. | |||||
| TUG 2-164 | Pteronitella retroflexa | Pteronitella retroflexa (Wahlenberg, 1821) | Rootsiküla Stage | K1 |