Species
Tetrada (Tetrada) ovalis (Sarv, 1959)
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 138-159 | Tetrada (Tetrada) ovalis | Tallinnopsis ovalis (Oraspõld, in coll.) | Keila Stage | holotype | |||
| GIT 138-160 | Tetrada (Tetrada) ovalis | Tallinnopsis ovalis (Oraspõld, in coll.) | Keila Stage | ||||
| GIT 138-161 | Tetrada (Tetrada) ovalis | Tallinnopsis ovalis (Oraspõld, in coll.) | Keila Stage | ||||
| GIT 138-162 | Tetrada (Tetrada) ovalis | Tallinnopsis ovalis (Oraspõld, in coll.) | Keila Stage |