†superfamily Pterygotioidea Clarke and Ruedemann 1912 (eurypterid)
Parent taxon: Diploperculata according to J. A. Dunlop et al. 2013
Sister taxa: Adelophthalmoidea, Carcinosomatoidea, Pterygotoidea, Waeringopteroidea
Subtaxa: none
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Pterygotioidea in the database