| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Callistoplacidae | 78946 | Pilsbry, 1893 | | ITIS | invalid | junior synonym of Ischnochitonidae | Family |
| Callochitoninae | 78942 | Plate, 1901 | | ITIS | invalid | junior synonym of Ischnochitonidae | Subfamily |
| Chaetopleuridae | 78954 | Plate, 1899 | | ITIS | invalid | junior synonym of Ischnochitonidae | Family |
| Chitonidae | 79011 | Rafinesque, 1815 | | ITIS | valid | | Family |
| Ischnochitonidae | 78842 | Dall, 1889 | | ITIS | valid | | Family |
| Mopaliidae | 78965 | Dall, 1889 | | ITIS | valid | | Family |
| Schizochitonidae | 79010 | Dall, 1889 | | ITIS | valid | | Family |
| Schizoplacidae | 78938 | Bergenhayn, 1955 | | ITIS | invalid | junior synonym of Ischnochitonidae | Family |
| Subterenochitonidae | 78841 | | | ITIS | invalid | junior synonym of Ischnochitonidae | Family |
| Tonicellidae | 566918 | Simroth, 1894 | | ITIS | invalid | junior synonym of Ischnochitonidae | Family |
