Species
Tvaerenella plana (Krause, 1889)
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 139-2 | Tvaerenella plana | Platybolbina cf. plana (Krause, 1889) | Porkuni Stage | ||||
| GIT 139-3 | Tvaerenella plana | Platybolbina cf. plana (Krause, 1889) | Porkuni Stage | ||||
| GIT 139-4 | Tvaerenella plana | Platybolbina cf. plana (Krause, 1889) | Porkuni Stage |