Parent taxon: Stylonurina according to J. A. Dunlop et al. 2013
See also Lamsdell et al. 2010
Sister taxa: Kokomopteroidea, Rhenopteroidea, Stylonuroidea, Stylonuroides
Subtaxa: Drepanopteridae Hibbertopteridae Mycteropidae
Ecology: nektobenthic carnivore
Distribution:
• Permian of Australia (1 collection), Brazil (1), the Russian Federation (2), United States (1: Arizona)
• Desmoinesian of United States (1: Pennsylvania)
• Carboniferous of Argentina (1), Belgium (1), the Czech Republic (1), South Africa (1), the United Kingdom (1), United States (6: Iowa, Nebraska, New Mexico)
• Devonian of Belgium (1), Canada (1: Northwest Territories), Germany (1), the Russian Federation (1)
• Silurian of the United Kingdom (2), United States (2: Indiana, West Virginia)
Total: 25 collections each including a single occurrence