Bacillariophyceae - Melosirales - Trochosiraceae
Full reference: Z. I. Glezer, I. V. Makarova, A. I. Moisseeva and V. A. Nikolaev. 1992. The diatoms of the USSR fossil and Recent. Vol. II. fasc. 2: Stephanodiscaceae, Ectodictyonaceae, Paraliaceae, Radialiplicataceae, Pseudopodosiraceae, Trochosiraceae, Melosiraceae, Aulacosiraceae]. St Petersburg NAUKA St Petersburg branch 2(2):128 pp., 6
Parent taxon: Melosirales according to V. A. Nikolaev et al. 2001
Sister taxa: Endictyaceae, Hyalodiscaceae, Melosiraceae, Stephanopyxidaceae
Subtaxa: Trochosira
Ecology: "photoautotroph"
Distribution:
• Miocene of United States (1: North Carolina collection)
• Eocene of the Russian Federation (1)
• Cretaceous of Canada (1: Nunavut)
Total: 3 collections each including a single occurrence