Parent taxon: Graptoloidea according to J. Maletz 2017
See also Lo Valvo et al. 2020, Maletz et al. 2018 and Toro and Herrera Sánchez 2019
Sister taxa: Apiograptus, Arienigraptus, Arnheimograptus, Axonophora, Bergstroemograptus, Bryograptidae, Crinitograptus, Dichograptacea, Dichograptina, Didymograptidae, Didymograptina, Dimorphograptoides, Eisenackograptus, Eoglyptograptus, Euclimacograptus, Exigraptus, Glossograptina, Graptodendroidina, Hirsutograptus, Joamgsjamotes, Kinnegraptidae, Laxograptus, Lenzograptus, Metabrograptus, Monograptina, Neocolonograptus, Neocucullograptus, Neodicellograptus, Neolobograptus, Parapetalolithis, Pararetiograptus, Plectodinemagraptus, Pseudamplexograptus, Pseudoisograptus, Pseudomonoclimacis, Pseudoplectograptus, Pseudorthograptus, Rivagraptus, Semiplectograptus, Sinograptina, Sinoreteograptus, Stromatograptus, Uncinatograptus, Urbanekograptus, Virgellina
Subtaxa: Sinograptidae
Ecology: passively mobile planktonic suspension feeder
Distribution:
• Arenig of Argentina (2 collections), Canada (1: Yukon), China (2), the United Kingdom (1)
• Ningkuo of China (6)
• Dawan of China (2)
• Ordovician of Argentina (7), Australia (1), Canada (1: Yukon), China (4), New Zealand (1), the Russian Federation (9), Spain (2), the United Kingdom (1), United States (1: Idaho)
Total: 41 collections including 62 occurrences