†subfamily Primitiopsinae Swartz 1936 (ostracod)
Ostracoda - Hollinocopida - Primitiopsidae
Parent taxon: Primitiopsidae according to R. H. Benson et al. 1961
Sister taxa: Anisocyamus, Leiocyaminae, Perunus, Primitiopsis
Subtaxa: Clavofabella Limbinaria Primitiopsella Sulcicuneus
Type: Primitiopsis
Ecology: epifaunal
Distribution:
• Devonian of the Russian Federation (6 collections)
• Silurian of the Russian Federation (1)
Total: 7 collections each including a single occurrence