†superfamily Megalograptoidea Caster and Kjellesvig-Waering 1955 (eurypterid)
Parent taxon: Eurypterina according to J.A. Dunlop et al. 2020
Sister taxa: Alkenopteroidea, Diploperculata, Dolichopteroidea, Eurypteroidea, Moselopteroidea, Onychopterelloidea, Wiedopterus
Subtaxa: none
Type: Megalograptus
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Megalograptoidea in the database