Parent taxon: Platycopina according to M. B. Forel 2022
See also Babinot and Colin 2011, Bergue and Govindan 2010, Kozur 1991 and Liebau 2005
Sister taxa: Barychilinoidea, Cavellinacea, Cavellinoidea
Subtaxa: Cytherellidae Cytherelloidea alabamensis Cytherelloidea bastropensis Cytherelloidea btaterensis Cytherelloidea byramensis Cytherelloidea castleberryensis Cytherelloidea chawneri Cytherelloidea danvillensis Cytherelloidea hiwanneensis Cytherelloidea leonensis Cytherelloidea montgomeryensis Cytherelloidea murdercreekensis Cytherelloidea ouachitensis Cytherelloidea rosefieldensis Cytherelloidea smithvillensis Cytherelloidea tombigbeensis Cytherelloidea veatchiana Cytherelloidea vicksburgensis Spinososioellidae
Ecology: epifaunal detritivore-suspension feeder
Distribution:
• Quaternary of India (2 collections), Italy (1), Panama (1)
• Pliocene of Australia (1), Egypt (1), Panama (1), United States (1: North Carolina)
• Miocene to Pliocene of Australia (1), North Atlantic (1)
• Miocene of Colombia (9), Greece (19), India (1), Italy (11), Mexico (1), Panama (1), Puerto Rico (3), South Africa (3), Trinidad and Tobago (8), United States (2: Florida), Venezuela (14)
• Oligocene of Antigua and Barbuda (4), Belgium (1), Germany (1), Indian Ocean (1), Mexico (7), Puerto Rico (3), United States (7: Alabama, Louisiana, Mississippi)
• Eocene of Antarctica (4), Bangladesh (2), Hungary (2), India (1), Indian Ocean (5), Mexico (1), New Zealand (1), Nigeria (4), Pakistan (7), Tonga (1), Trinidad and Tobago (2), the United Kingdom (2), United States (34: Alabama, California, Louisiana, Mississippi, North Carolina, Texas)
• Paleocene of Argentina (15), Indian Ocean (3), North Atlantic (1), Togo (1), Trinidad and Tobago (12), Tunisia (1), United States (13: Alabama, Louisiana, Missouri, Texas)
• Cretaceous to Paleogene of Argentina (1)
• Cretaceous of Algeria (1), Antarctica (11), Argentina (6), Austria (1), Brazil (1), France (3), Gambia (1), Germany (7), Japan (2), Mexico (1), Morocco (23), the Netherlands (2), Poland (2), Portugal (17), Saudi Arabia (1), Tunisia (8), Ukraine (1), United States (17: Alabama, Oklahoma, Texas)
• Jurassic of Algeria (1), France (7), Germany (49), Madagascar (7), Poland (1), Portugal (21), the Russian Federation (8), Saudi Arabia (25), Spain (32), Switzerland (2), Turkey (1), the United Kingdom (20)
• Triassic of Australia (1), Austria (13), Canada (10: Yukon), China (1), Iran (2), Israel (4), Italy (3), Turkey (1)
• Permian of China (5), Oman (1), the United Kingdom (1)
• Carboniferous of United States (1: Kentucky)
• Devonian of Turkey (1), United States (12: Alaska, Michigan, New York, Ohio)
• Ordovician of United States (1: Minnesota)
• Ediacaran of Mexico (1)
Total: 556 collections including 837 occurrences