Rhynchonellata - Spiriferida

Parent taxon: Spiriferoidea according to A. Williams et al. 2006

Sister taxa: Choristitidae, Imbrexiidae, Reticulariacea, Spiriferidae, Trigonotretidae

Subtaxa: Alispiriferella, Arcullina, Bamberina, Elivina, Eridmatus, Hunzina, Nakimusiella, Plicatospiriferella, Spiriferella, Spiriferellinae, Spiriferelloides, Timaniella, Tipispirifer

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Ecology: stationary epifaunal suspension feeder