World Register of Marine Species (WoRMS)
Rodríguez, E.; Fautin, D; Daly, M. (2026). World List of Actiniaria. Synhalcurias Carlgren, 1914. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=267884 on 2026-08-30
Carlgren, O. (1914). On the genus Porponia and related genera, Scottish National Antarctic Expedition. Transactions of the Royal Society of Edinburgh, 50, 1, (4): 49-71