Bacillariophyceae - Melosirales - Stephanopyxidaceae
Full reference: V. A. Nikolaev. 1984. On the importance of the areola structure for the taxonomy of diatoms (Bacillariophyta). Bot. Zh 69:1040-1046
Parent taxon: Melosirales according to F. E. Round et al. 1990
Sister taxa: Endictyaceae, Hyalodiscaceae, Melosiraceae, Trochosiraceae
Subtaxa: Stephanopyxis
Ecology: "photoautotroph"
Distribution:
• Pliocene of Chile (1 collection), Japan (3)
• Neogene of India (1)
• Miocene of Mexico (2), United States (3: Maryland, North Carolina, Virginia)
• Eocene of the Russian Federation (1), United States (1: California)
• Paleocene of Antarctica (17)
• Cretaceous of Antarctica (21), Canada (60: Northwest Territories, Nunavut)
Total: 110 collections including 497 occurrences