 An example is the European land snail "Petasina edentula" (Draparnaud, 1805).In 2002, researchers found that an older name "Helix depilata" Draparnaud, 1801 referred to the same species, but this name had never been used after 1899 and was fixed as a "nomen oblitum" under this rule by Falkner "et al".2002.