Full reference: J. Vinther, M. Stein, N. R. Longrich and D. A. T. Harper. 2014. A suspension-feeding anomalocarid from the Early Cambrian. Nature 507:496-499
Parent taxon: Radiodonta according to S. Pates et al. 2021
See also Lerosey-Aubril et al. 2020 and Vinther et al. 2014
Sister taxa: Amplectobeluidae, Anomalocarididae, Caryosyntrips, Cerabonusoides, Cetiocaridae, Kerygmachela, Laggania, Myoscolex, Tamisiocarididae
Subtaxa: Aegirocassis Buccaspinea Cambroraster Cordaticaris Hurdia Pahvantia Peytoia Schinderhannes Stanleycaris Ursulinacaris Zhenghecaris
Type: Hurdia
Ecology: fast-moving nektonic carnivore
Distribution:
• Devonian of Germany (1 collection)
• Ordovician of Morocco (1)
• Cambrian of Canada (28: Brithish Columbia, British Columbia), China (5), United States (7: Utah)
• Solvan of Canada (2: British Columbia), Czechia (1)
Total: 45 collections including 55 occurrences