†order Dithecoidea Obut 1964 (graptolite)
Parent taxon: Graptolithina according to S. T. LoDuca and A. Kramer 2014
Sister taxa: Acanthastida, Ascograptus, Camaroidea, Ceramograptus, Crinocaulis, Crustoidea, Cyclograptidae, Dendroidea, Diplograptoidea, Dithecodendridae, Dithecodendrum, Graptoblasti, Graptolithus, Graptoloida, Graptoloidea, Graptovermida, Leveillites, Limpidograptus, Palmatophycus, Pilograptus, Rhabdopleuridae, Siryngotaenia, Stolonoidea, Thamnograptus, Trigonograptus, Tuboidea, Wimanicrustidae
Subtaxa: none
Ecology: passively mobile planktonic suspension feeder
Distribution: there are no occurrences of Dithecoidea in the database