†suborder Eurypterina Novojilov 1962 (eurypterid)
Parent taxon: Eurypterida according to J. C. Lamsdell 2025
See also Braddy et al. 1995, Brauckmann et al. 2003, Dunlop et al. 2013, Dunlop et al. 2020, Tetlie 2002 and Tetlie 2006
Sister taxa: Belinuropsis, Belinuropsis wigudensis, Eurypteracea, Eurypterella, Eurypterella ornata, Marsupipterus, Parahughmillera, Stylonuracea, Stylonurina
Subtaxa: Alkenopteroidea Diploperculata Dolichopteroidea Eurypteroidea Megalograptoidea Moselopteroidea Onychopterelloidea Wiedopterus
Ecology: nektobenthic carnivore