†suborder Cyrtinidina Carter and Johnson 1994 (lamp shell)
Rhynchonellata - Spiriferinida
Parent taxon: Spiriferinida according to A. Williams et al. 2006
Sister taxon: Spiriferinidina
Subtaxa: Cyrtinoidea Spondylospiroidea Suessioidea
Ecology: stationary low-level epifaunal suspension feeder