†subfamily Mesodouvillinae Harper and Boucot 1978 (lamp shell)
Strophomenata - Strophomenida - Amphistrophiidae
Parent taxon: Amphistrophiidae according to V. V. Baranov and R. B. Blodgett 2016
Sister taxa: Amphistrophiinae, Eocymostrophia, Mesodouvillina, Mesodouvillininae
Subtaxa: Harperoides
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of United States (2: Alaska collections)
Total: 2 collections each including a single occurrence