†family Cryptotretidae Pelman 1979 (lamp shell)
Paterinata - Paterinida - Cryptotretidae
Parent taxon: Paterinoidea according to A. Williams et al. 2000
Sister taxon: Paterinidae
Subtaxa: Aldanotreta Askepasma Cryptotreta Dzunarzina
Type: Cryptotreta
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Australia (60 collections), China (2), Mongolia (1), the Russian Federation (7)
Total: 70 collections each including a single occurrence