Parent taxon: Graptolithina according to J. Maletz 2017
See also Bulman 1970, Lo Valvo et al. 2020, Maletz 2014, Maletz et al. 2009, Maletz et al. 2017, Monteros and Moya 2011, Sepkoski 2002, Toro 1993, Toro 1995, Toro et al. 2020 and Toro and Herrera Sánchez 2019
Sister taxa: Acanthastida, Ascograptus, Camaroidea, Ceramograptus, Crinocaulis, Crustoidea, Cyclograptidae, Dendroidea, Diplograptoidea, Dithecodendridae, Dithecodendrum, Dithecoidea, Graptoblasti, Graptolithus, Graptoloida, Graptovermida, Leveillites, Limpidograptus, Palmatophycus, Pilograptus, Rhabdopleuridae, Siryngotaenia, Stolonoidea, Thamnograptus, Trigonograptus, Tuboidea, Wimanicrustidae
Subtaxa: 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 Sinograpta Sinograptina Sinoreteograptus Stromatograptus Uncinatograptus Urbanekograptus Virgellina
Ecology: passively mobile planktonic suspension feeder