World Register of Marine Species (WoRMS)
Helicina (Palaeohelicina) ouenensis T. D. A. Cockerell, 1930
MolluscaBase eds. (2026). MolluscaBase. Helicina (Palaeohelicina) ouenensis T. D. A. Cockerell, 1930. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1115671 on 2026-08-01
Cockerell, T. D. A. (1930). A new Helicina from New Caledonia. The Nautilus. 43(4): 134-135, Boston.