†class Spirotrichea
Parent taxon: Intramacronucleata according to M. A. Ruggiero et al. 2015
Sister taxon: Spirotrichea
Subtaxa: Tintinnida
Distribution:
• Quaternary of North Pacific (11 collections)
• Eocene of the United Kingdom (2)
• Jurassic of Cuba (1), Germany (1)
• Triassic of Ireland (2), Israel (5)
• Permian of Israel (5)
Total: 27 collections each including a single occurrence