†family Signetopsidae Henningsmoen 1954 (ostracod)
Ostracoda - Palaeocopida - Signetopsidae
Parent taxon: Primitiopsicopina according to A. F. Abushik and I. O. Evdokimova 2016
Sister taxa: Clavofabellinidae, Gravioidea, Hatangeoidea, Lysogorelloidea, Primitiopsoidea, Pteriella, Signetopsoidea, Sulcatielloidea, Venzavelloidea
Subtaxa: Signetopsis
Type: Signetopsis
Ecology: epifaunal suspension feeder
Distribution:
• Silurian of the Russian Federation (4 collections), Ukraine (1)
Total: 5 collections including 7 occurrences