†family Lapworthellidae Rozanov and Missarzhevsky 1966 (lamp shell)
Full reference: A.Y. Rozanov and V.V. Missarzhevsky. 1966. Biostratigraphy and fauna of Lower Cambrian beds. Trudy Geoligske Institut Moscow 148:1-126
Parent taxon: Tommotiida according to E. Landing 1984
Sister taxa: Hyolithelminthes, Jaycea, Kulparina, Mitrosagophora, Sunnaginiidae, Tannuolinidae
Subtaxa: Lapworthella
Ecology: facultatively mobile epifaunal suspension feeder