Pterobranchia - Graptoloidea - Climacograptidae
"The form of cellules in the peculiar group of which G. ramosus may be considered the type.... should be separated from Graptolithus proper for the same reason, forming a sub-generic group, for which I suggest the name of Dicranograptus."
Full reference: J. Hall. 1865. Graptolites of the Quebec Group: Figures and descriptions of Canadian organic remains, Decade II 1-151
Parent taxon: Climacograptus according to J. Hall 1865
See also Bulman 1970, Chen et al. 2016, Mitchell et al. 2007 and Sepkoski 2002
Sister taxa: Climacograptus (Climacograptus), Climacograptus hastatus, Climacograptus nevadensis, Climacograptus putillus, Climacograptus scalaris, Climacograptus styloideus, Climacograptus typicalis, Graptolithus (Climacograptus) ramulus
Subtaxa: none
Type: Graptolithus ramosus
Ecology: passively mobile planktonic suspension feeder
Distribution: there are no occurrences of Climacograptus (Dicranograptus) in the database