Parent taxon: Graptoloidea according to J. Maletz et al. 2017
See also Maletz 2014
Sister taxa: Apiograptus, Arienigraptus, Arnheimograptus, Axonophora, Bergstroemograptus, Bryograptidae, Crinitograptus, Dichograptacea, Dichograptina, Didymograptidae, Didymograptina, Dimorphograptoides, Eisenackograptus, Eoglyptograptus, Euclimacograptus, Exigraptus, Glossograptina, Hirsutograptus, Joamgsjamotes, Kinnegraptidae, Laxograptus, Lenzograptus, Metabrograptus, Monograptina, Neocolonograptus, Neocucullograptus, Neodicellograptus, Neolobograptus, Parapetalolithis, Pararetiograptus, Plectodinemagraptus, Pseudamplexograptus, Pseudoisograptus, Pseudomonoclimacis, Pseudoplectograptus, Pseudorthograptus, Rivagraptus, Semiplectograptus, Sinograpta, Sinograptina, Sinoreteograptus, Stromatograptus, Uncinatograptus, Urbanekograptus, Virgellina
Subtaxa: Anisograptidae Mastigograptidae
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Devonian of the Czech Republic (1 collection), Germany (1)
• Silurian of United States (2: Michigan, Oklahoma)
• Ningkuo of China (1)
• Arenig of Canada (1: Yukon), Norway (1), United States (1: Montana)
• Ordovician of Argentina (3), Australia (9), Bolivia (2), Canada (11: Newfoundland and Labrador, Northwest Terrorities, Ontario, Quebec), China (2), Estonia (7), Lithuania (1), Mexico (2), Morocco (1), New Zealand (7), Norway (8), the Russian Federation (5), Sweden (2), the United Kingdom (7), United States (12: Montana, New York, Ohio, Utah)
• Canadian of United States (2: Utah)
• Cressagian of the United Kingdom (3)
• Tremadoc of Argentina (4), Bolivia (5), Canada (31: New Brunswick, Newfoundland, Newfoundland and Labrador, Yukon), China (18), the Czech Republic (2), Morocco (1), Norway (2), the Russian Federation (3), Sweden (1), the United Kingdom (1), United States (3: New York, Texas)
• Skullrockian of Greenland (1)
• Ibexian of United States (1: Nevada)
• Cambrian to Ordovician of the Russian Federation (1)
• Cambrian of Argentina (1), Australia (1), United States (1: Wisconsin)
Total: 169 collections including 348 occurrences