†subfamily Aspidagnostinae Pokrovskaya 1960 (artiopod)
Artiopoda - Agnostida - Clavagnostidae
Parent taxon: Clavagnostidae according to J. B. Jago et al. 2004
Sister taxa: Clavagnostinae, Triadaspis, Utagnostinae, Utagnostus
Subtaxa: Aspidagnostus
Type: Aspidagnostus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Australia (2 collections), Canada (3: Yukon), China (16), Kazakhstan (6), the Russian Federation (1), South Korea (1), United States (5: Alabama, Nevada)
Total: 34 collections including 40 occurrences