Coccolithophyceae - Zygodiscales - Zygodiscaceae
Full reference: W. W. Hay and H. P. Mohler. 1967. Calcareous nannoplankton from Early Tertiary rocks at Point Labau, France and Paleocene-Early Eocene correlations. Journal of Paleontology 41(6):1505-1541
Parent taxon: Zygodiscales according to W. W. Hay and H. P. Mohler 1967
Sister taxa: Helicosphaeraceae, Pontosphaeraceae
Subtaxa: Isthmolithus Lophodolithus Nannotetrina Neococcolithes Zygodiscus
Type: Zygodiscus
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of North Atlantic (1 collection), South Pacific (21)
• Pliocene of South Pacific (3)
• Miocene of Indian Ocean (1), South Pacific (2)
• Oligocene of Indian Ocean (1), North Atlantic (14), North Pacific (2), South Pacific (17)
• H. alabamensis HOZ of South Pacific (9)
• Eocene to Oligocene of Indian Ocean (3), North Atlantic (2), North Pacific (1), South Pacific (9), Southern Ocean (2)
• Eocene of Indian Ocean (16), Jordan (1), Namibia (1), North Atlantic (139), North Pacific (54), South Pacific (158), Ukraine (2), the United Kingdom (1), United States (3: California)
• Paleocene to Eocene of South Pacific (1)
• Paleocene of Argentina (4), Indian Ocean (2), North Atlantic (2), South Atlantic (1), United States (1: South Carolina)
• Cenozoic of Indian Ocean (1)
• Cretaceous of Canada (7: Alberta)
• Jurassic of Saudi Arabia (1)
Total: 483 collections including 720 occurrences