Guiry, M.D. & Guiry, G.M. (2024). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Ptychodiscus Stein, 1883. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=109478 on 2024-05-23
Marine Species Traits editorial board (2024). Marine Species Traits. Ptychodiscus Stein, 1883. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=109478 on 2024-05-23
basis of recordGómez, F. (2005). A list of free-living dinoflagellate species in the world's oceans. <em>Acta Bot. Croat.</em> 64(1): 129-212.[details]
additional sourceGuiry, M.D. & Guiry, G.M. (2024). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online athttp://www.algaebase.org[details]