World Register of Marine Species (WoRMS)
Oestophora ortizi de Winter & Ripken, 1991
MolluscaBase eds. (2026). MolluscaBase. Oestophora ortizi de Winter & Ripken, 1991. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1001339 on 2026-08-30
Winter, A. J. de & Ripken, Th. E. J. (1991). New land snails (Gastropoda Pulmonata) from the Iberian peninsula. Basteria. 55 (1/3): 3-7. Leiden [1 June].