Family

Cyclograptidae Bulman, 1938

Images
GIT 120-2
Dyadograptus praecursor | Dyadograptus praecursor Obut, 1960
Lasnamägi Stageholotype
GIT 539-55
Dyadograptus praecursor | Dyadograptus praecursor Obut, 1960
Lasnamägi Stage