Species

Conchoprimitia gammae Öpik, 1935

Images
TUG 1041-1
Conchoprimitia gammae | Conchoprimitia gammae Öpik, 1935
Volkhov Stage
TUG 1045-31
Conchoprimitia gammae | Conchoprimitia gammae (Öpik, 1935)
Middle Ordovician