World Register of Marine Species (WoRMS)
Oswaldella rigida Peña Cantero, Svoboda & Vervoort, 1997
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2026). World Hydrozoa Database. Oswaldella rigida Peña Cantero, Svoboda & Vervoort, 1997. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=174679 on 2026-08-02
Peña Cantero, A.L., A. Svoboda & W. Vervoort, 1997. Species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa) from recent antarctic expeditions with R.V. 'Polarstern', with the description of eight new species. Zool. Jl Linn. Soc. 119 3: 339-388.
Peña Cantero, Svoboda & Vervoort, 1997