Rhynchonellata - Spiriferida - Spiriferidae

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

Sister taxa: Allanaria, Brachythyrinae, Delthyrinae, Ovispirifer, Purdonellinae, Sergospiriferinae, Spiriferinae

Subtaxa: Andreaspira, Austrochoristites, Finospirifer, Kinghiria, Parallelora, Prospira, Subspirifer, Unispirifer

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Type: Prospira

Ecology: stationary epifaunal suspension feeder