Trilobita - 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, 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)
• Arenigian of China (1)
• Arenig of Argentina (1), Australia (9), China (6), the Russian Federation (1)
• Ordovician of Argentina (5), Australia (9), China (1), the Czech Republic (1), France (1), Iran (3), Norway (1), Spain (2), the United Kingdom (1)
• Tremadoc of Canada (1: Newfoundland and Labrador), China (23), the Czech Republic (2), France (2), Iran (2), Morocco (1), Spain (2), Sweden (1)
• Cambrian of Australia (1), Canada (11: Newfoundland and Labrador, Quebec, Yukon), United States (1: Alaska)
Total: 90 collections including 96 occurrences