Family
Hemicystitidae Bassler, 1936
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 643-15 | Pyrgocystis | Pyrgocystis sp.  | Rakvere Stage | ||||
| GIT 643-16 | Pyrgocystis | Pyrgocystis sp.  | Rakvere Stage | ||||
| GIT 643-17 | Pyrgocystis | Pyrgocystis sp.  | Kukruse Stage | 
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 643-15 | Pyrgocystis | Pyrgocystis sp.  | Rakvere Stage | ||||
| GIT 643-16 | Pyrgocystis | Pyrgocystis sp.  | Rakvere Stage | ||||
| GIT 643-17 | Pyrgocystis | Pyrgocystis sp.  | Kukruse Stage |