World Register of Marine Species (WoRMS)
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Stylactis hooperii Sigerfoos, 1899. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=418878 on 2026-08-24
Sigerfoos C.P. (1899). A new hydroid from Long Island Sound. American Naturalist. 33: 801-807.