†subfamily Proplininae Knight and Yochelson 1958 (mollusk)
Tergomya - Tryblidiida - Tryblidiidae
Full reference: J. B. Knight and E. L. Yochelson. 1958. A reconsideration of the Monoplacophora and the primitive Gastropoda. Proceedings of the Malacological Society of London 33(1):37-48
Parent taxon: Tryblidiidae according to J. B. Knight and E. L. Yochelson 1960
See also Stinchcomb 1986
Sister taxa: Archaeophialinae, Archinacellina, Bipulvina, Drahomira, Drahomirinae, Kotysium, Litavina, Neopilininae, Peelipilina, Pentalina, Pragamira, Proplina, Retipilina, Tryblidiinae, Tryblidium, Undicornu
Subtaxa: Ozarkplina
Ecology: epifaunal grazer
Distribution: found only at Loc. M-05: top of low hill (Cambrian of Missouri)