Acorn barnacles
Acasta
Acasta spongites (Poli, 1795) - Sponge barnacle
Balanus
Balanus crenatus Bruguiére, 1789 - An Acorn barnacle
Chthamalus
Chthamalus montagui Southward, 1976
- Montagu's stellate barnacle
Chthamalus stellatus (Poli, 1795)
- Poli's stellate barnacle
Elminius
Elminius modestus Darwin, 1854 - Australian barnacle
Perforatus
Perforatus perforatus (Bruguière, 1789)
- Perforate barnacle
Semibalanus
Semibalanus balanoides (Linnaeus, 1758)
- An Acorn barnacle
Solidobalanus
Solidobalanus fallax (Broch, 1927) - An Acorn barnacle
Verruca
Verruca stroemia O.F. Müller, 1776 - Wart barnacle
Acorn barnacles were once commonly called Acorn shells.
Stalked or Goose barnacles
Dosima
Dosima fascicularis Ellis & Solander, 1786
- Buoy barnacle
Lepas
Lepas anatifera Linnaeus, 1758
- Common goose, Smooth goose-neck or Ship barnacle
Lepas hilli Leach, 1818
- A Goose or Goose-neck barnacle
Lepas pectinata Spengler, 1793
- A Goose-neck or Duck barnacle
Lepas species - Goose or Stalked barnacles
