Artiopoda - Redlichiida - Agraulidae
Parent taxon: Ellipsocephaloidea according to J. M. Adrain 2011
See also Jell and Adrain 2002, Pour and Popov 2009 and Whittington et al. 1997
Sister taxa: Bigotinidae, Ellipsocephalidae, Estaingiidae, Palaeolenidae, Yunnanocephalidae
Subtaxa: Agaso Agraulos Batenioides Chittidilla Chondroparia Litavkaspis Metagraulos Parachittidilla Paragraulos Paraplesiograulos Plesiagraulos Poriagraulos Proampyx Protochittidilla Pseudoeteraspis Pseudoplesiagraulos Qiannanagraulos Skreiaspis Tangshihlingia Tholus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Australia (2 collections), Canada (3: British Columbia, Newfoundland, Newfoundland and Labrador), China (30), Czechia (7), Germany (1), India (1), Italy (1), Kyrgyzstan (1), Norway (1), the Russian Federation (10), South Korea (2), Spain (2), Sweden (7), the United Kingdom (1), United States (6: Alaska, Massachusetts, New York, South Carolina, Wisconsin)
• Amgan of Czechia (2), Kyrgyzstan (1)
• Solvan of Czechia (3)
Total: 81 collections including 110 occurrences