†suborder Echinocaridina Clarke 1900 (arthropod)
Parent taxon: Archaeostraca according to D. E. G. Briggs et al. 2004
Sister taxa: Arenosicaris, Baituganocaris, Caryocaridina, Ceratiocaridina, Dictyocaris, Dilophaspis, Emmelezoe, Guerichicaris, Kerfornecaris, Lebesconteia, Palaeopemphida, Pephricaridina, Rhinocaridina, Rhinocarina, Schugurocaris, Trigonocarys
Subtaxa: Aristozoe Cinerocaris Echinocaris Eleutherocaris Montecaris Paraechinocaris
Ecology: nektobenthic carnivore
Distribution:
• Devonian of Australia (1 collection), Czechia (2), the United Kingdom (2), United States (11: Michigan, New York, Ohio)
• Silurian of Italy (1), the United Kingdom (1)
Total: 18 collections including 33 occurrences