†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
Type: Cryptotreta
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Australia (12 collections), the Russian Federation (7)
Total: 19 collections each including a single occurrence