Genus

Pyrgocystis Bather, 1915

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