Subgenus
Tetrada (Tallinnopsis) Sarv, 1959
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 657-46 | Tetrada (Tallinnopsis) calkeri | Tallinnopsis calkeri (Bonnema, 1909) | 27.42 - 27.47 | Kukruse Stage | |||
| GIT 844-3 | Tetrada (Tallinnopsis) iewica | Tallinnopsis ex gr. iewica | Idavere Substage | ||||
| GIT 844-6 | Tetrada (Tallinnopsis) iewica | Tallinnopsis iewika sens. Nickaja | 318.2 | Idavere Substage | |||
| GIT 844-7 | Tetrada (Tallinnopsis) iewica | Tallinnopsis ex gr. jewica | Idavere Substage | ||||
| GIT 844-9 | Tetrada (Tallinnopsis) | Tallinnopsis sp. n. (N 79 coll. Sidaraviciene) | Idavere Substage |