1. Family Ceratiaceae Kofoid, 1907
2. Family Cladopyxidaceae Kofoid, 1907
3. Family Goniodomataceae Lindemann, 1928
4. Family Gonyaulacaceae Lindemann, 1928
5. Family Lingulodiniaceae W.A.Sarjeant & C.Downie, 1974
6. Family Ostreopsidaceae Lindemann, 1928
7. Family Protoceratiaceae Lindemann, 1928
8. Family Pyrocystaceae (Schütt, 1896) Lemmermann, 1899
9. Family Pyrophacaceae Lindemann, 1928

marine, brackish, fresh, terrestrial

Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Gonyaulacales. Accessed through: The UK Marine Environmental Data and Information Network (2025) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=109391 on 2025-05-13

The UK Marine Environmental Data and Information Network (2025). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Gonyaulacales. Accessed at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=109391 on 2025-05-13

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