Bacillariophyceae - Centrales - Eupodiscaceae
Parent taxon: Centrales according to F. E. Round et al. 1990
See also Andrews 1976
Sister taxa: Auliscineae, Basilicostephanus, Chaetoceraceae, Cladogramma, Discineae, Eupodiscineae, Hemiauliineae, Lithodemiaceae, Rutilaria, Sheshukovia, Strelnikovia, Triceratiineae
Subtaxa: Eupodiscoideae Eupodiscus Triceratium
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• NN21 of Indian Ocean (4 collections), North Pacific (1), South Atlantic (1), South Pacific (1)
• Quaternary of Indian Ocean (10), North Pacific (4), South Pacific (1), Southern Ocean (2)
• NN16 of Indian Ocean (4)
• Pliocene to Pleistocene of North Pacific (5)
• Pliocene of Indian Ocean (5), North Pacific (12), Southern Ocean (3)
• Miocene to Pliocene of North Pacific (4)
• Miocene of Indian Ocean (5), Mexico (1), North Pacific (85), Southern Ocean (16), United States (2: Maryland, North Carolina)
• Neogene of India (1)
• Oligocene of India (1), Southern Ocean (3)
• Eocene of Peru (1), the United Kingdom (5)
• Paleocene of Antarctica (13)
• Cretaceous of Antarctica (15), Canada (13: Northwest Territories, Nunavut)
Total: 218 collections including 298 occurrences