†family Graviidae Polenova 1952 (ostracod)
Ostracoda - Leperditellocopida - Graviidae
Parent taxon: Aparchitacea according to Polenova 1952
Sister taxa: none
Subtaxa: Ceratocypris Gravia Selebratina
Ecology: epifaunal
Distribution:
• Devonian of Poland (19 collections), the Russian Federation (1), Turkey (1)
Total: 21 collections including 26 occurrences