†subfamily Plectograptinae Boucek and Münch 1952 (graptolite)
Pterobranchia - Graptoloidea - Retiolitidae
Parent taxon: Retiolitidae according to J. Maletz 2014
See also Bulman 1970 and Lenz and Melchin 1987
Sister taxa: Mirorgraptus, Petalolithinae, Retiolitinae
Subtaxa: Baculograptus Cometograptus Giganteograptus Gothograptus Holoretiolites Neogothograptus Paraplectograptus Plectograptus Sagenograptus Spinograptus
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Silurian of Algeria (1 collection), Australia (1), Canada (3: Northwest Territories, Nunavut), China (1), the Czech Republic (8), Lithuania (7), Poland (1)
Total: 22 collections including 27 occurrences