Suborder Narcomedusina Haeckel 1879
Parent taxon: Trachylinida according to F. M. Bayer et al. 1956
Sister taxa: Acsaspedites, Hydrocsaspedota
Subtaxa: Cuninidae
Ecology: passively mobile nektonic carnivore
Distribution: there are no occurrences of Narcomedusina in the database