†superfamily Chasmataspidacea Caster and Brooks 1956 (arthropod)
Euchelicerata - Chasmataspidida
Parent taxon: Chasmataspidida according to J. Bergström 1975
Sister taxa: Chasmataspididae, Diploaspididae, Heteroaspididae, Kiaeria
Subtaxa: none
Type: Chasmataspididae
Ecology:
Distribution: there are no occurrences of Chasmataspidacea in the database