†order Spirotrichia
Polyhymenophora - Spirotrichia
Parent taxon: Polyhymenophora according to J. J., Jr. Sepkoski 2002
Sister taxon: Savroniella
Subtaxa: Amphorellina Aubertianella Bignotella Codonella Conicarcella Coxiella Coxliellina Favelloides Heterotrichina Hypotrichina Parafavella Praetintinnopsella Remaniella Rhabdonelloides Salpingellina Spinarcella Stenosemellopsis Tintinnopsella Titthocorys Tylthocorys Yvonniellina
Distribution: