Brachiopoda - Tommotiida - Lapworthellidae
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 et al. 2008
See also Landing 1984, Li and Xiao 2004, Rozanov et al. 1969 and Skovsted 2006
Sister taxa: Eccentrotheca, Kelanellidae, Kennardiidae, Kulparina, Mitrosagophora, Paterimitra, Porcauricula, Shetlandia, Sunnaginiidae, Tannuolinidae, Tommotiidae, Wufengella
Subtaxa: Bercutia Geresia Lapworthella Ninella
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Cambrian of Antarctica (1 collection), Australia (27), Canada (10: New Brunswick, Newfoundland and Labrador, Nova Scotia), China (18), India (2), Kazakhstan (8), Kyrgyzstan (2), Mongolia (3), the Russian Federation (17), Sweden (2), the United Kingdom (8), United States (6: Massachusetts, New York)
• Solvan of Morocco (1)
• Placentian of Canada (1: Nova Scotia), United States (1: Massachusetts)
Total: 107 collections including 123 occurrences