The (Pedunculata) - Order
(Heteralepadomorpha) -

(Anelasmatidae)
- family

(Heteralepadidae)
- family

(Koleolepadidae)
- family

(Malacolepadidae)
- family

(Microlepadidae)
- family

(Rhizolepadidae)
- family
(Iblomorpha) -

(Iblidae)
- family
(Lepadomorpha) -

(Lepadidae)
- family

(Oxynaspididae)
- family

(Poecilasmatidae)
- family
(Scalpellomorpha) -

(Calanticidae)
- family

(Lithotryidae)
- family

(Pollicipedidae)
- family

(Scalpellidae)
- family