Subfamily Pylodiscinae Haeckel 1887 (radiolarian)
Protozoa - Spumellaria - Pyloniidae
Parent taxon: Pyloniidae according to P. De Wever et al. 2001
Sister taxa: Dipylissinae, Palaeotetrapylinae, Phorticium, Pyloniinae, Pylospira, Spirema, Tetrapyle, Trizonium
Subtaxa: Hexapyle Larcopyle Pylodiscus Pylolena
Type: Pylodiscus
Ecology: passively mobile planktonic omnivore
Distribution: