†subfamily Nemagraptinae Maletz 2014 (graptolite)
Pterobranchia - Graptoloidea - Dicranograptidae
Full reference: J. Maletz. 2014. The classification of the Pterobranchia (Cephalodiscida and Graptolithina). Bulletin of Geosciences 89(3):477-540
Parent taxon: Dicranograptidae according to J. Maletz 2014
Sister taxa: Dicellograptus, Dicranograptus, Levisograptus
Subtaxa: Nemagraptus Pleurograptus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Dobrotivian of the Czech Republic (1 collection)
• Ordovician of Argentina (7), Canada (4: New Brunswick, Northwest Territories, Québec), China (34), New Zealand (6), the Russian Federation (1), United States (31: Alaska, Idaho, Nevada, New York, Virginia), Venezuela (1)
Total: 85 collections including 90 occurrences