Family
Pterograptidae Mu, 1950
| Images | ||||||
|---|---|---|---|---|---|---|
| GIT 120-10 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 120-11 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 120-12 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 120-6 | Didymograptellus bifidus | Didymograptellus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 120-7 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 120-8 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | Kunda Stage | ||||
| GIT 515-95 | Didymograptellus bifidus | Didymograptus bifidus (Hall, 1865) | | 4a |