†family Knightinidae Sohn 1970 (ostracod)
Ostracoda - Palaeocopida - Knightinidae
Parent taxon: Kirkbyoidea according to M. B. Forel et al. 2020
Sister taxa: Amphissellidae, Amphissitidae, Arcyzonidae, Cardiniferellidae, Iranokirkbya, Kellettinidae, Kirkbyidae, Placideidae
Subtaxa: Carinaknightina Knightina
Ecology: epifaunal suspension feeder
Distribution:
• Triassic of Australia (7 collections), China (5), Pakistan (2), Turkey (1)
• Permian of Austria (1), Canada (3: British Columbia), China (10), Greece (2), Hungary (3), Iran (12), Israel (3), Italy (2), Japan (1), Oman (2), Serbia and Montenegro (1), Thailand (7), United States (16: Kansas, Nevada, Texas)
• Carboniferous of China (1), United States (7: Indiana, Kansas, Texas)
Total: 86 collections including 105 occurrences