Protozoa - Entactinaria - Saturnalidae
Parent taxon: Saturnalidae according to P. De Wever et al. 2001
Sister taxa: Axopruninae, Hexasaturnalinae, Liassosatumalis, Mesosaturnalis, Palaeosatumalis, Praemesosaturnalis, Saturnalinae, Saturnalis
Subtaxa: Heliosaturnalis Palaeosaturnalis Praehexasaturnalis Pseudoheliodiscus Stauracanthocircus
Type: Heliosaturnalis
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of Canada (52: British Columbia collections), China (1), Germany (1), Greece (1), Hungary (1), Italy (1), Japan (13), Mexico (8), New Zealand (1), the Philippines (4), Slovenia (1), Turkey (15), United States (2: California, Oregon)
• Triassic of Albania (1), Austria (1), Canada (20: British Columbia), China (2), Cyprus (5), Greece (1), Hungary (1), Japan (4), Malaysia (2), Mexico (12), New Zealand (1), Oman (1), the Philippines (2), the Russian Federation (1), Thailand (3), Turkey (33), United States (1: Alaska)
Total: 192 collections including 445 occurrences