Echinoidea - Holectypoida - Discoididae
Alternative spellings: Discoidesidae, Discoidinae
Full reference: J. Lambert. 1900. Étude sur quelques échinides de l’infra-Lias et du Lias. Bulletin de la Société des Sciences Historiques et Naturelles de l’Yonne 53(2):3-57
Parent taxon: Holectypoida according to A. Kroh and A. B. Smith 2010
See also Smiser 1935 and Wagner and Durham 1966
Sister taxa: Anorthopygidae, Coenholectypidae, Conoclypina, Duperieria, Echinogalerus, Galerites, Holectypidae, Holectypina, Neoglobator
Subtaxa: Camerogalerus Discoides Dixonia Lanieria
Type: Discoides
Ecology: semi-infaunal detritivore
Distribution:
• Cretaceous of Cuba (2 collections), France (33), Hungary (3), Madagascar (1), Morocco (1), Poland (10), Serbia and Montenegro (1), Spain (6), Switzerland (2), the United Kingdom (20), United States (2: Texas)
• Jurassic of the United Kingdom (1)
Total: 82 collections including 95 occurrences