Artiopoda - Asaphida - Hungaiidae
Parent taxon: Asaphida according to H. B. Whittington et al. 1997
See also Adrain 2011 and Jell and Adrain 2002
Sister taxa: Aethodionide, Anomocarellidae, Anomocaridae, Anomocaroidea, Asaphina, Asaphoidea, Cyclopygoidea, Dikelocephaloidea, Eurekiidae, Ordosiidae, Parabumasttides, Pseudocyclopyge, Pterocephalidae, Remopleuridae, Rhyssometopidae, Trinucleoidea
Subtaxa: Asaphopsoides Ciliocephalus Dactylocephalus Dikelocephalopsis Dikelokephalinidae Hungaia Hungioides Leimitzia Songtaoia
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Dobrotivian of Portugal (1 collection)
• Arenig of Argentina (1), Australia (9), China (6), the Russian Federation (1)
• Arenigian of China (1)
• Ordovician of Argentina (5), Australia (9), Canada (1: Newfoundland and Labrador), China (24), Czechia (3), France (3), Iran (5), Morocco (1), Norway (1), Spain (4), Sweden (1), the United Kingdom (1)
• Cambrian of Argentina (2), Australia (1), Canada (11: Newfoundland and Labrador, Quebec, Yukon), United States (1: Alaska)
Total: 92 collections including 98 occurrences