†subfamily Leugeoninae Yang and Wang 1990 (radiolarian)
Protozoa - Spumellaria - Parvivaccidae
Parent taxon: Parvivaccidae according to P. De Wever et al. 2001
Sister taxa: Acaeniotylinae, Heleninae, Parvivaccinae
Subtaxa: Hexasphaera Leugeo Levileugeo
Type: Leugeo
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of Costa Rica (1 collection), Greece (1), Italy (6), Oman (2), the Philippines (1), Spain (1), United States (8: California, Oregon)
Total: 20 collections including 32 occurrences