perekond
Pteronitella Billings, 1874
| Pildid | ||||||
|---|---|---|---|---|---|---|
| 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)  | Devon | Kesk-Devon | ||||
| TUG 1779-510 | Pteronitella retroflexa | Pterinea retroflexa  | Kaugatuma lade | K3bÄ | ||||
| TUG 1779-515 | Ohesaare lade | K4 | |||||
| TUG 1850-166 | Ludlow | Burgsvik Fm. | |||||
| TUG 2-164 | Pteronitella retroflexa | Pteronitella retroflexa (Wahlenberg, 1821)  | Rootsiküla lade | K1 | ||||
| TUG 51-71 | Ohesaare lade | K4 | |||||
| GIT 521-10 | Pteronitella | Pteronitella sp.  | Jaani lade |