Species

Coelosphaeridium excavatum Stolley, 1898

Images
TUG 1318-52
Coelosphaeridium excavatum | Coelosphaeridium excavatum Stolley, 1898
Uhaku Stage | CIc ? other type
TUG 1318-53
Coelosphaeridium excavatum | Coelosphaeridium excavatum Stolley, 1898
Uhaku Stage | CIc ? other type