Artiopoda - Corynexochida - Zacanthoididae
Parent taxon: Corynexochina according to J. M. Adrain 2011
See also Eddy and McCollum 1998, Palmer and Halley 1979, Sundberg 1994, Sundberg and McCollum 2003 and Whittington et al. 1997
Sister taxa: Chengkouiidae, Corynexochidae, Dinesidae, Dorypygidae, Edelsteinaspididae, Jakutidae, Oryctocephalidae
Subtaxa: Aitkenaspis Albertella Albertellina Albertelloides Chuchiaspis Danjiangella Delamarella Dodoella Fieldaspis Mackenzieaspis Mexicaspis Micmaccopsis Panxinella Paralbertella Parkaspis Prozacanthoides Pseudozacanthopsis Ptarmiganoides Qingzhenaspis Stephenaspis Ursinella Vanuxemella Zacanthoides Zacanthopsina Zacanthopsis
Ecology: nektobenthic carnivore
Distribution:
• Cambrian of Argentina (4 collections), Canada (48: Alberta, Alberta-British Columbia, Brithish Columbia, British Columbia, Northwest Territories, Northwest Territory, Yukon Territory), China (5), Greenland (6), India (1), Mexico (1), the Russian Federation (1), United States (135: Alaska, California, Idaho, Montana, Nevada, Nevada and California, New York, Pennsylvania, Utah, Vermont, Virginia)
• Templetonian of United States (1: Nevada)
• Solvan of Canada (32: British Columbia, Newfoundland and Labrador), United States (53: Nevada)
• Amgan of United States (1: Utah)
Total: 288 collections including 425 occurrences