An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.

Acorn barnacle and Stalked, Goose and Buoy barnacle images (Crustaceans)
Acorn barnacle (Order Sessilia)

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Archaeobalanidae (Family) > Acastinae (Subfamily)

Acasta spongites (Poli, 1791) - Sponge barnacle

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Archaeobalanidae (Family) > Archaeobalaninae (Subfamily)

Hesperibalanus fallax (Broch, 1927)
- Warm-water barnacle (non-native species)

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Archaeobalanidae (Family) > Semibalaninae (Subfamily)

Semibalanus balanoides (Linnaeus, 1758)
- An Acorn barnacle

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Balanidae (Family) > Balaninae (Subfamily)

Amphibalanus improvisus (Darwin, 1854) - Bay barnacle

Balanus balanus (Linnaeus, 1758) - An Acorn barnacle
Balanus crenatus Bruguiére, 1789 - An Acorn barnacle
Balanus trigonus Darwin, 1854
- An Acorn barnacle (non-native species)

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Balanidae (Family) > Concavinae (Subfamily)

Perforatus perforatus (Bruguière, 1789)
- Perforate barnacle

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Balanidae (Family) > Megabalaninae (Subfamily)

Megabalanus tintinnabulum (Linnaeus, 1758)
- Giant purple or Titan acorn barnacle (non-native species)

Megabalanus tulipiformis (Ellis, 1758)
- An Acorn barnacle (non-native species)

Balanomorpha (Suborder) > Balanoidea (Superfamily) > Pyrgomatidae (Family) > Megatrematinae (Subfamily) > Pyrgominini (Tribe)

Adna anglica Sowerby, 1823 syn. Megatrema anglicum
- An epizoic barnacle found on Devonshire cup coral

Balanomorpha (Suborder) > Chthamaloidea (Superfamily) > Chthamalidae (Family) > Chthamalinae (Subfamily)

Chthamalus montagui Southward, 1976
- Montagu's stellate barnacle

Chthamalus stellatus (Poli, 1795)
- Poli's stellate barnacle

Balanomorpha (Suborder) > Coronuloidea (Superfamily) > Platylepadidae (Family) > Stomatolepadinae (Subfamily)

Stomatolepas elegans (Costa, 1838) - A Turtle barnacle (parasitic / pelagic)

Balanomorpha (Suborder) > Tetraclitoidea (Superfamily) > Austrobalanidae (Family) > Elminiinae (Subfamily)

Austrominius modestus (Darwin, 1854) - Australasian or Darwin's barnacle (invasive non-native species)

Balanomorpha (Suborder) > Tetraclitoidea (Superfamily) > Tetraclitidae (Family) > Tetraclitinae (Subfamily)

Tetraclita sp. possibly Tetraclita stalactifera (Lamarck, 1818) - Ribbed Barnacle (non-native species)

Verrucomorpha (Suborder) > Verrucidae (Family)

Verruca stroemia O.F. Müller, 1776 - Wart barnacle

Other barnacle images
Barnacle cyprid larvae
Exuvia of adult barnacle

Stalked barnacles (Order Scalpelliformes)

Pollicipedidae (Family)

Pollicipes pollicipes (Gmelin, 1790)
- A Gooseneck or Pollicipedid barnacle

Scalpellidae (Family) > Scalpellinae (Subfamily)

Scalpellum scalpellum (Linnaeus, 1767)
- A Scalpellid barnacle

Stalked or Goose barnacles (Order Lepadiformes)

Lepadomorpha (Suborder) > Lepadidae (Family)
(All species below are pelagic, non-native species)

Dosima fascicularis Ellis & Solander, 1786
- Buoy barnacle (pelagic species)

Lepas (Anatifa) anatifera Linnaeus, 1758
- Common goose, Smooth goose-neck or Ship barnacle
(pelagic species)
Lepas (Anatifa) anserifera Linnaeus, 1767
- A Goose, Goose-neck or Stalked barnacle
(pelagic species)

Lepas (Anatifa) hillii Leach, 1818
- A Goose, Goose-neck or Stalked barnacle
(pelagic species)
Lepas (Anatifa) pectinata Spengler, 1793
- A Goose-neck or Duck barnacle
(pelagic species)

Various images of Lepas species,
commonly called Goose or Stalked barnacles

Parasitic Barnacles

Rhizocephala (Superorder) > Kentrogonida (Order) > Sacculinidae (Family)

Drepanorchis neglecta (Fraisse, 1878)
- A parasitic barnacle on Spider crab, Macropodia sp..

Sacculina carcini Thompson, 1836
- Crab hacker barnacle

Sacculina inflata Leuckart, 1859 - A parasitic barnacle on the Common edible crab, Cancer pagurus.

Sealife Survey
Record UK marine life using the the Marine Biological Association's Sealife Survey (external link)

Acorn Goose Stalked and Buoy Barnacle Images UK