Genus †Charniodiscus Ford, 1958
   1 †Charniodiscus procerus M. LaFlamme et al., 2004
   2 †Charniodiscus spinosus M. LaFlamme et al., 2004
   3 †Charniodiscus arboreus (Glaessner, 1959) see Arborea arborea (Glaessner, 1959) Glaessner & Wade, 1966