†infraorder Diplograptina Lapworth 1880 (graptolite)
Parent taxon: Axonophora according to J. Maletz 2019
See also Bulman 1970, Chen et al. 2016, Lapworth 1880, Maletz 2014, Maletz et al. 2017, Mitchell et al. 2007 and Storch et al. 2011
Sister taxon: Neograptina
Subtaxa: Climacograptoidea Dicaulograptidae Dicranograptidae Dicranograptoidea Diplograptidae Lasiograptidae Peiragraptidae
Ecology: passively mobile planktonic suspension feeder