Rhynchonellata - Athyridida - Neoretziidae

Parent taxon: Hustediinae according to A. Williams et al. 2002

Sister taxa: Hustedia, Hustedtiella, Thedusia

Subtaxa: Schwagerispira beneckei, Schwagerispira fastosa, Schwagerispira fuchsi, Schwagerispira mojsisovicsi, Schwagerispira pinguis, Schwagerispira schwageri, Schwagerispira subcircularis

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Ecology: stationary low-level epifaunal suspension feeder