Pterobranchia - Graptoloidea - Dichograptidae
Full reference: R. A. Cooper and R. A. Fortey. 1982. The Ordovician graptolites of Spitsbergen. Bulletin of the British Museum (Natural History), (Geology) 36:157-302
Parent taxon: Didymograptus according to R. A. Cooper and R. A. Fortey 1982
See also Maletz et al. 2018 and Sepkoski 2002
Sister taxa: Didymograptus (Didymograptus), Didymograptus balticus, Didymograptus demissus, Didymograptus ensjoensis, Didymograptus euodus, Didymograptus extensus, Didymograptus filiformis, Didymograptus holmi, Didymograptus latus, Didymograptus murchisoni, Didymograptus nicholsoni, Didymograptus pacificus, Didymograptus paraindentus, Didymograptus paraindentus, Didymograptus protobalticus, Didymograptus pusillus, Didymograptus spinulosus, Didymograptus suecicus, Didymograptus turgidus, Didymograptus undulatus, Didymograptus uniformis
Subtaxa: none
Ecology: passively mobile planktonic suspension feeder
Distribution: there are no occurrences of Didymograptus (Didymograptellus) in the database