†order Cambridioidea Horný 1957
Alternative spelling: Cambridioida
Full reference: R. J. Horný. 1957. Problematic molluscs (?Amphineura) from the Lower Cambrian of southern and eastern Siberia (USSR). Sbornik Ustredního Ústavu Geologického 23:397-413
Parent taxon: Stenothecoida according to Y. Oh et al. 2025
See also Horný 1957 and Koneva 1976
Sister taxa: Cambridiida, Hubeinella, Xianfengoconcha
Subtaxa: Cambridiidae
Ecology: suspension feeder
Distribution:
• Cambrian of Canada (4: British Columbia, Nova Scotia collections), China (2), Germany (1), Greenland (8), Kazakhstan (7), Kyrgyzstan (1), the Russian Federation (3), the United Kingdom (1), United States (3: Nevada, Utah)
• Solvan of Canada (5: British Columbia), Kazakhstan (1)
Total: 36 collections including 47 occurrences