†subfamily Sigmoopsiinae Henningsmoen 1953 (ostracod)
Ostracoda - Palaeocopida - Tetradellidae
Full reference: G. Henningsmoen. 1953. Lower Ordovician Ostracods from the Oslo region, Norway. Norsk Geologisk Tidsskrift 33:41-68
Parent taxon: Sigmoopsiidae according to G. Henningsmoen 1953
Sister taxon: Glossomorphitinae
Subtaxa: none
Ecology: epifaunal suspension feeder
Distribution: there are no occurrences of Sigmoopsiinae in the database