†class Spirotrichea
Alternative spelling: Spirotrichia
Parent taxon: Intramacronucleata according to M. A. Ruggiero et al. 2015
See also Sepkoski 2002
Sister taxon: Spirotrichea
Subtaxa: Amphorellina Aubertianella Bignotella Choreotrichia Codonella Conicarcella Coxiella Coxliellina Favelloides Heterotrichina Hypotrichina Parafavella Praetintinnopsella Remaniella Rhabdonelloides Salpingellina Spinarcella Stenosemellopsis Tintinnopsella Titthocorys Tylthocorys Yvonniellina