†superfamily Stylonuroidea Diener 1924 (eurypterid)
Parent taxon: Stylonurina according to J. C. Lamsdell 2025
See also Dunlop et al. 2013, Dunlop et al. 2020 and Lamsdell et al. 2010
Sister taxa: Kokomopteroidea, Mycteropoidea, Rhenopteroidea
Subtaxa: Parastylonuridae Stylonurellidae Stylonuridae
Type: Stylonuridae
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Belarus (1 collection), Canada (2: Nunavat, Quebec), China (1), France (1), the Russian Federation (1), the United Kingdom (2), United States (2: Pennsylvania)
• Silurian of Norway (2), the United Kingdom (6), United States (3: New York, Pennsylvania)
Total: 21 collections including 26 occurrences