Subfamily Pyloniinae Dumitrica 1989
Polycystinea - Spumellaria - Pyloniidae
Parent taxon: Pyloniidae according to P. De Wever et al. 2001
Sister taxa: Dipylissinae, Palaeotetrapylinae, Phorticium, Pylodiscinae, Pylospira, Spirema, Tetrapyle, Trizonium
Subtaxa: Larcospira Octopyle
Distribution:
• NN21 of North Pacific (2 collections)
• Quaternary of North Pacific (6)
• Pliocene of North Pacific (4)
Total: 12 collections including 15 occurrences