World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Perarella fallax (Broch, 1914). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=284571 on 2026-08-25
Broch, H. 1914b. Hydrozoa benthonica. pp. 19-50, plate 1. In: W. Michaelsen (ed). Beiträge zur Kenntnis der Meeresfauna Westafrikas, Vol. 1. Friedrichsen, Hamburg