†subfamily Clavagnostinae Howell 1937 (artiopod)
Artiopoda - Agnostida - Clavagnostidae
Parent taxon: Clavagnostidae according to J. B. Jago et al. 2004
See also Bentley et al. 2006
Sister taxa: Aspidagnostinae, Triadaspis, Utagnostinae, Utagnostus
Subtaxa: Clavagnostus
Type: Clavagnostus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Antarctica (1 collection), Argentina (1), Australia (1), China (29), India (2), Kazakhstan (21), the Russian Federation (2), United States (2: Utah)
Total: 59 collections including 77 occurrences