Species
Baltograptus geometricus (Törnquist, 1901)
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 451-286 | Baltograptus geometricus | Didymograptus geometricus (Törnquist, 1901)  | Billingen Stage | Didymograptus balticus Biozone | 
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 451-286 | Baltograptus geometricus | Didymograptus geometricus (Törnquist, 1901)  | Billingen Stage | Didymograptus balticus Biozone |