Parent taxon: Actinocerida according to R. E. Crick 1981
See also Teichert et al. 1964
Sister taxa: Actinoceratidae, Armenoceratidae, Astoceras, Calhounoceras, Carbactinoceratidae, Eldroceras, Georginidae, Gonioceratidae, Gouldoceratidae, Greenlandoceratidae, Hopeioceras, Jeholoceras, Kobayashiceras, Meitanoceratidae, Ormoceratidae, Parahelenites, Parahelenitidae, Polydesmiidae, Pseudactinoceratidae, Ruedemannoceratidae, Subtofangoceras, Wutinoceratidae, Zerashanoceras
Subtaxa: Discoactinoceras Huronia Huroniella
Ecology: nektobenthic carnivore
Distribution:
• Niagaran of United States (1: Utah collection)
• Silurian of Canada (9: Québec), the Russian Federation (2), United States (2: California, Iowa)
• Arenig of China (1)
• Ordovician of Canada (3: Manitoba, Nunavut), China (3), Svalbard and Jan Mayen (1)
Total: 22 collections including 24 occurrences