| Oppiidae Grandjean, 1951 (Family) |
| | | | | | | | | | details |
| Oppiella Jacot, 1937 (Genus) |
| | | | | | | | | | details |
| Oppiella aegyptiaca Elbardy & Nasr, 1974 (Species) |
| | | | | | | | | | details |
| Oppiella articristata Aoki, 1988 (Species) |
| | | | | | | | | | details |
| Oppiella azerbeidjanica Kulijev, 1966 (Species) |
| | | | | | | | | | details |
| Oppiella baburini Ryabinin, 1975 (Species) |
| | | | | | | | | | details |
| Oppiella bicarinata (Paoli, 1908) (Species) |
C | | | | | | | | | | details |
| Oppiella bituberculata (Balogh) (Species) |
| | | | | | | | | | details |
| Oppiella bulanovae Hammer, 1968 (Species) |
| | | | | | | | | | details |
| Oppiella chistyakovi Ryabinin, 1975 (Species) |
| | | | | | | | | | details |
| Oppiella clavigera (Hammer) (Species) |
| | | | | | | | | | details |
| Oppiella confinis (Paoli, 1908) (Species) |
C | | | | | | | | | | details |
| Oppiella corrugata (Species) |
| | | | | | | | | | details |
| Oppiella distincta Vasiliu & Caligar, 1981 (Species) |
| | | | | | | | | | details |
| Oppiella doryphoros Balogh & Balogh, 1983 (Species) |
| | | | | | | | | | details |
| Oppiella dubia Hammer, 1962 (Species) |
| | | | | | | | | | details |
| Oppiella falcata (Paoli, 1908) (Species) |
C | | | | I | | | | | | details |
| Oppiella fallax (Paoli, 1908) (Species) |
| | | | | | | | | | details |
| Oppiella fasciata (Paoli, 1908) (Species) |
| | | | | | | | | | details |
| Oppiella foliosa Jacot, 1937 (Species) |
| | | | | | | | | | details |
| Oppiella furcata (Willmann, 1928) (Species) |
| | | | | | | | | | details |
| Oppiella globosa (Mihelcic, 1956) (Species) |
C | | | | | | | | | | details |
| Oppiella keilbachi (Moritz, 1969) (Species) |
C | | | | | | | | | | details |
| Oppiella maritima (Willmann, 1929) (Species) |
C | | | | | | | | | | details |
| Oppiella minidentata Subias, 1977 (Species) |
| | | | | | | | | | details |
| Oppiella minus (Paoli, 1908) (Species) |
| | | | | | | | | | details |
| Oppiella minutissima (Sellnick, 1950) (Species) |
C | | | | I | | | | | | details |
| Oppiella neerlandica (Oudemans, 1900) (Species) |
C | | | | | | | | | | details |
| Oppiella niliaca Popp, 1960 (Species) |
C | T | | | I | | | | | | details |
| Oppiella nova (Oudemans, 1902) (Species) |
C | | sC | | I | | | | | | details |
| Oppiella obsoleta (Paoli, 1908) (Species) |
C | | | | I | | | | | | details |
| Oppiella orientata Ryabinin, 1975 (Species) |
| | | | | | | | | | details |
| Oppiella ornata (Oudemans, 1901) (Species) |
C | | | | I | | | | | | details |
| Oppiella palustris (Laskova, 1980) (Species) |
| | | | | | | | | | details |
| Oppiella perspicua (Mihelcic, 1956) (Species) |
| | | | | | | | | | details |
| Oppiella polynesia Hammer, 1972 (Species) |
| | | | | | | | | | details |
| Oppiella primorica (Golosova, 1969) (Species) |
| | | | | | | | | | details |
| Oppiella quadricarinata (Michael, 1882) (Species) |
| | sC | | | sI | | | | | details |
| Oppiella rafalskii Oplotna & Rajski, 1983 (Species) |
| | | | | | | | | | details |
| Oppiella sigma (Strenzke, 1951) (Species) |
C | | | | I | | | | | | details |
| Oppiella splendens (C. L. Koch, 1841) (Species) |
C | | | | | | | | | | details |
| Oppiella stipularis Jacot, 1937 (Species) |
| | | | | | | | | | details |
| Oppiella subpectinata (Oudemans, 1901) (Species) |
C | | | | I | | | | | | details |
| Oppiella suramericana (Hammer, 1958) (Species) |
| | | | | | | | | | details |
| Oppiella tapezoidea Grishina, 1981 (Species) |
| | | | | | | | | | details |
| Oppiella transitoria Balogh & Mahunka, 1977 (Species) |
| | | | | | | | | | details |
| Oppiella translamellata (Willmann, 1923) (Species) |
| | | | | | | | | | details |
| Oppiella trapezoides Grishina, 1981 (Species) |
| | | | | | | | | | details |
| Oppiella uliginosa (Willmann, 1919) (Species) |
C | | sC | | | sI | | | | | details |
| Oppiella unicarinata (Paoli, 1908) (Species) |
| | | | | | | | | | details |
| Oppiella volcanensis Hammer, 1965 (Species) |
| | | | | | | | | | details |
| Oppiella zushi Aoki, 1984 (Species) |
| | | | | | | | | | details |