Protozoa - Entactinaria - Saturnalidae
Synonym: Saturnosphaera Tikhomirova 1975
Parent taxon: Heliosaturnalinae according to P. De Wever et al. 2001
See also Hull 1997, O'Dogherty et al. 2009 and Sepkoski 2002
Sister taxa: Heliosaturnalis, Palaeosaturnalis, Praehexasaturnalis, Stauracanthocircus
Subtaxa: Pseudoheliodiscus alpinus Pseudoheliodiscus bifidus Pseudoheliodiscus concordis Pseudoheliodiscus decilobum Pseudoheliodiscus finchi Pseudoheliodiscus hettangicus Pseudoheliodiscus huxleyensis Pseudoheliodiscus inaequispinosus Pseudoheliodiscus massivus Pseudoheliodiscus nevianii Pseudoheliodiscus pamphyliensis Pseudoheliodiscus poissoni Pseudoheliodiscus primitivus Pseudoheliodiscus radiosus Pseudoheliodiscus robustospinosus Pseudoheliodiscus rotundus Pseudoheliodiscus rugosus Pseudoheliodiscus viejoensis Pseudoheliodiscus yaoi Saturnosphaera shengi Saturnosphaera zhangi
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of Canada (15: British Columbia collections), China (1), Germany (1), Greece (1), Hungary (1), Japan (4), Mexico (4), New Zealand (1), the Philippines (2), Slovenia (1), Turkey (2), United States (2: California, Oregon)
• Triassic of Canada (20: British Columbia), China (1), Greece (1), Mexico (12), New Zealand (1), the Philippines (2), the Russian Federation (1), Turkey (5), United States (1: Alaska)
Total: 79 collections including 130 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.