†family Trapezoidellidae Sohn 1979 (ostracod)
Ostracoda - Podocopida - Cyprididae
Parent taxon: Cypridacea according to S. M. Sinitsa 1986
Sister taxa: Camdenidea, Carbonita, Cyclocyprididae, Cyclocypridinae, Cypridinae, Cypridopsinae, Cypridopsis, Disopontocypridinae, Eucandonidae, Eucypridinae, Eucypris, Herpetocypridinae, Mediocyprinae, Pullvillites, Pulvillites, Scabriculocypris
Subtaxa: Daurina
Ecology: epifaunal detritivore-grazer
Distribution:
• Jurassic of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence