†family Rugaeconidae Vassiljeva 1990 (mollusk)
Helcionelloida - Helcionellida
Parent taxon: Yochelcionelloidea according to P. Y. Parkhaev and Y. Demidenko 2010
Sister taxa: Stenothecidae, Trenellidae, Yochelcionellidae
Subtaxa: Dorispira, Xianfengella
Ecology: slow-moving low-level epifaunal grazer