†superfamily Ambocoelioidea George 1931 (lamp shell)
Parent taxon: Spiriferidina according to A. Williams et al. 2006
Sister taxa: Adolfioidea, Brachythyridoidea, Cyrtioidea, Cyrtospiriferoidea, Delthyridacea, Martinioidea, Paeckelmanelloidea, Spiriferoidea, Theodossioidea
Subtaxa: Ambocoeliidae, Eudoxinidae, Lazutkiniidae, Verneuiliidae
Ecology: stationary epifaunal suspension feeder