†superfamily Pterygotoidea Clarke and Ruedemann 1912 (eurypterid)
Synonym: Hughmilleroidea Kjellesvig-Waering 1951
Parent taxon: Diploperculata according to J. C. Lamsdell et al. 2013
See also Braddy et al. 2002, Brauckmann et al. 2003, Dunlop et al. 2013, Dunlop et al. 2020 and Tetlie et al. 2007
Sister taxa: Adelophthalmoidea, Carcinosomatoidea, Pterygotioidea, Waeringopteroidea
Subtaxa: none
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Pterygotoidea in the database