The (Patellogastropoda) -
(Patelloidea) - superfamily

(Patellidae)
- family
(Nacelloidea) - superfamily

(Nacellidae)
- family
(Lottioidea) - superfamily

(Lottiidae)
- family

(Acmaeidae)
- family

(Lepetidae)
- family
(Neolepetopsoidea) - superfamily

(Neolepetopsidae)
- family

(Daminilidae)
- family

(Lepetopsidae)
- family