Species
Severobolbina severa (Sarv, 1959)
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 138-241 | Severobolbina severa | Carinobolbina severa | Jõhvi Substage | holotype | |||
| GIT 138-242 | Severobolbina severa | Carinobolbina severa | Jõhvi Substage | holotype | |||
| GIT 138-243 | Severobolbina severa | Carinobolbina severa | Jõhvi Substage | ||||
| GIT 138-244 | Severobolbina severa | Carinobolbina severa | Jõhvi Substage | ||||
| GIT 138-245 | Severobolbina severa | Carinobolbina severa | Jõhvi Substage | ||||
| GIT 138-40 | Severobolbina severa | Carinobolbina severa Sarv, 1959 | Idavere Substage | ||||
| GIT 141-11 | Severobolbina severa | Carinobolbina severa Sarv, 1959 | Jõhvi Substage | ||||
| GIT 657-2 | 25.13 - 25.22 | Idavere Substage | ||||
| GIT 657-22 | 26.84 - 26.9 | Kukruse Stage |