†subfamily Cyrtograptinae Boucek 1933 (graptolite)
Pterobranchia - Graptoloidea - Cyrtograptidae
Parent taxon: Cyrtograptidae according to O. M. B. Bulman 1970
Sister taxa: none
Subtaxa: Averianowograptus Barrandeograptus Cyrtograptus
Type: Cyrtograptus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Algeria (3 collections), Australia (1), Canada (5: British Columbia, Northwest Territories, Nunavut, Yukon), China (5), the Czech Republic (7), Denmark (3), France (1), Greenland (1), Lithuania (1), Morocco (4), Serbia and Montenegro (2), Spain (1), Ukraine (2), the United Kingdom (1), United States (2: Idaho, Oklahoma)
Total: 39 collections including 53 occurrences