Artiopoda - Olenida - Cedariidae
Parent taxon: Olenida according to J. M. Adrain 2011
See also Bentley et al. 2006, Jell and Adrain 2002 and Whittington et al. 1997
Sister taxa: Andrarinidae, Aphelaspidae, Asaphiscidae, Dokimokephalidae, Eulomidae, Idahoiidae, Loganellidae, Olenidae, Parabolinoididae, Pterocephaliidae
Subtaxa: Bonneterrina Carinamala Cedaria Cedarina Henadoparia Jimachongia Vernaculina
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Antarctica (6 collections), Argentina (1), Australia (2), Canada (10: Northwest Territories, Quebec, Yukon), China (1), Greenland (11), the Russian Federation (3), United States (77: Alabama, Alaska, Georgia, Nevada, Pennsylvania, South Dakota, Texas, Utah, Wisconsin, Wyoming)
Total: 111 collections including 129 occurrences