†family Calodiscidae Kobayashi 1943 (artiopod)
Artiopoda - Agnostida - Calodiscidae
Parent taxon: Eodiscida according to J. M. Adrain 2011
See also Whittington et al. 1997
Sister taxa: Eodiscidae, Hebediscidae, Pagetiidae, Tsunyidiscidae, Weymouthiidae, Yukoniidae
Subtaxa: Calodiscus Korobovia Neocobboldia Sinodiscus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Amgan of Germany (1 collection)
• Solvan of the Russian Federation (1)
• Cambrian of Antarctica (2), Australia (1), Canada (7: Labrador, Newfoundland, Newfoundland and Labrador), China (12), France (1), Germany (1), Greenland (7), Italy (1), Kazakhstan (3), the Russian Federation (7), Svalbard and Jan Mayen (1), the United Kingdom (2), United States (5: Massachusetts, New York)
Total: 52 collections including 60 occurrences