Genus
Tetrada Neckaja, 1958
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 138-149 | Kukruse Stage | |||||
| GIT 138-150 | Tetrada (Tetrada) memorabilis | Tallinnopsis memorabilis (Neckaja) | Jõhvi Substage | ||||
| GIT 138-151 | Tetrada (Tetrada) memorabilis | Tallinnopsis memorabilis (Neckaja) | Jõhvi Substage | ||||
| GIT 138-152 | Rakvere pank | Keila Stage | ||||
| GIT 138-153 | Rakvere pank | Keila Stage | ||||
| GIT 138-154 | Tetrada (Tallinnopsis) ordinata | Tallinnopsis iewica var, ordinata | Keila Stage | holotype | |||
| GIT 138-155 | Tetrada (Tallinnopsis) ordinata | Tallinnopsis iewica var, ordinata | Keila Stage | ||||
| GIT 138-156 | Tetrada (Tetrada) grandis | Tallinnopsis grandis (Oraspõld, in coll.) | Keila Stage | holotype | |||
| GIT 138-157 | Tetrada (Tetrada) grandis | Tallinnopsis grandis (Oraspõld, in coll.) | Keila Stage | ||||
| GIT 138-158 | Tetrada (Tetrada) grandis | Tallinnopsis grandis (Oraspõld, in coll.) | Keila Stage |