Artiopoda - Redlichiida - Paradoxididae
Parent taxon: Paradoxidoidea according to J. M. Adrain 2011
See also Henningsmoen 1952, Jell and Adrain 2002, Landing et al. 2008, Palmer and Gatehouse 1972 and Whittington et al. 1997
Sister taxa: Centropleuridae, Xystriduridae
Subtaxa: Acadoparadoxides Anabaraceps Anabaraspis Baltoparadoxides Mawddachites Paradoxides Paradoxidinae Phanoptes Plutonides Primoriella Schagonaria
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (15: New Brunswick, Newfoundland, Newfoundland and Labrador collections), Czechia (11), Denmark (2), France (6), Germany (4), Italy (3), Morocco (16), Norway (3), Poland (3), the Russian Federation (4), Spain (9), Sweden (9), Türkiye (20), the United Kingdom (4), United States (4: Alaska, Massachusetts, South Carolina)
• Amgan of Czechia (3), Norway (1), Poland (1), the Russian Federation (5), Sweden (2)
• Solvan of Czechia (7), Norway (1), the Russian Federation (2), Spain (2), Sweden (1)
Total: 138 collections including 201 occurrences