†superfamily Illaenacea Corda 1847 (trilobite)
Parent taxon: Asaphina according to H. J. Harrington and A. F. Leanza 1957
Sister taxon: Asaphacea
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Illaenacea in the database