Family

Productellidae Schuchert, 1929

Images
TUG 1598-42
Tubersulculus pseudoaculeatus | Tubersulculus pseudoaculeatus (Krotow, 1885)
Carboniferous
TUG 1598-83
Marginifera uralica | Marginifera uralica Tschernyschew, 1889
Carboniferous