Pterobranchia - Graptoloidea - Normalograptidae
Parent taxon: Neograptina according to J. Maletz 2014
See also Melchin et al. 2011
Sister taxa: Monograptoidea, Retiolitoidea
Subtaxa: Cystograptus Hedrograptus Metaclimacograptus Normalograptus Pronormalograptus Pseudoglyptograptus Rhaphidograptus Talacastograptus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Argentina (3 collections), Canada (15: Northwest Territories, Nunavut, Québec, Yukon), China (10), Czechia (1), Denmark (8), Estonia (1), France (18), Ireland (1), Malaysia (3), Morocco (2), Poland (2), the Russian Federation (11), Saudi Arabia (1), Serbia (3), Sweden (3), Thailand (2), the United Kingdom (34), United States (11: Alaska), Uzbekistan (4), Western Sahara (1)
• Ordovician to Silurian of Canada (3: Québec), the Russian Federation (1), United States (1: Alaska)
• Ordovician of Australia (4), Belgium (3), Canada (7: British Columbia, Nunavut, Quebec, Québec), China (4), Czechia (3), Malaysia (3), the Russian Federation (9), Türkiye (1), the United Kingdom (9), United States (15: Idaho, Nevada), Vietnam (1)
Total: 198 collections including 349 occurrences