| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Ancylosis oasella | (Chrétien, 1910) | species | Synonym | ||
| Ancylosis oblitella | (Zeller, 1848) | species | Accepted | ||
| Ancylosis obscurella | Balinsky, 1989 | species | Accepted | ||
| Ancylosis obscuripunctella | Roesler, 1973 | species | Accepted | ||
| Ancylosis ocellella | (Hampson, 1901) | species | Accepted | ||
| Ancylosis ochraceela | Asselbergs, 2008 | species | Accepted | ||
| Ancylosis ochraeella | (Lucas D., 1948) | species | Synonym | ||
| Ancylosis ochreatella | (Lucas D., 1956) | species | Synonym | ||
| Ancylosis ochrotaeniella | (Ragonot, 1887) | species | Synonym | ||
| Ancylosis oliviella | (Turati, 1924) | species | Synonym | ||
| Ancylosis ormuzdella | Amsel, 1954 | species | Synonym | ||
| Ancylosis pallidicostella | (Chrétien, 1910) | species | Misapplied | ||
| Ancylosis pallidimarginalis | (Rothschild, 1915) | species | Synonym | ||
| Ancylosis partitella | (Ragonot, 1887) | species | Accepted | ||
| Ancylosis perfervida | Balinsky, 1989 | species | Accepted | ||
| Ancylosis persicolella | Amsel, 1951 | species | Synonym | ||
| Ancylosis pictella | (Turati, 1922) | species | Synonym | ||
| Ancylosis pilosella | (Zeller, 1867) | species | Synonym | ||
| Ancylosis platynephes | (Joannis, 1927) | species | Accepted | ||
| Ancylosis platynephis | Vári & Kroon, 1986 | species | Misapplied | ||
| Ancylosis proniphea | (Hampson, 1896) | species | Accepted | ||
| Ancylosis pruinosella | (Chrétien, 1911) | species | Synonym | ||
| Ancylosis purpurella | (Turati, 1924) | species | Synonym | ||
| Ancylosis rhodochrella | (Herrich-Schäffer, 1852) | species | Accepted | ||
| Ancylosis rosalbella | (Turati, 1930) | species | Synonym |