The largest barnacle in the world, Balanus nubilus, also known as the giant acorn barnacle, has the largest known muscle fibres and can grow up to 30 cm tall with a diameter of 15 cm. It has a hinged lid made of two triangular halves that are each made up of two plates, a tergum, and a scutum, protecting a diamond-shaped operculum. It is a medium-sized sessile barnacle with a cone-shaped body and a white test made of fused plates. The ivory barnacle is a species of acorn barnacle that belongs to the Balanidae family. Lepas anatifera from Wikimedia commons Ivory barnacle These barnacles are frequently found in huge numbers connected to floating wood, ship hulls, piers, pilings, seaweed, and assorted flotsam and jetsam via their flexible stalks. Lepas anatifera, often called the smooth gooseneck barnacle or the pelagic gooseneck barnacle, is a species of barnacle belonging to the Lepadidae family. With calcareous plates forming a steep-sided cone that reaches a height and width of 5 centimetres, the titan acorn barnacle is a huge species (2.0 in). Megabalanus coccopoma, sometimes known as the titan acorn barnacle, is a tropical species of barnacle that Charles Darwin originally identified in 1854. Chthamalus stellatus from Wikimedia commons Megabalanus coccopoma Although it is essentially cone-shaped, in a busy colony it can take on a more tubular appearance. It is a sessile barnacle that uses its membrane base to cling to rocks and other solid objects in the intertidal zone. Chthamalus stellatusĪcorn barnacle species, Chthamalus stellatus, sometimes known as Poli’s stellate barnacle, is widespread on rocky coasts in South West England, Ireland, and Southern Europe.

It goes by the names Amphitrite’s rock barnacle, purple acorn barnacle, and striped barnacle in warm and temperate waters all over the planet. The family Balanidae includes the acorn barnacle species Amphibalanus amphitrite.

At the top, there is an oval or rhombic hole that is closed off by two hinged plates.

The bay barnacle, also known as the European acorn barnacle or Amphibalanus improvisus, is a type of acorn barnacle that belongs to the Balanidae family.The smooth, white or light grey, conical calcareous shell of Amphibalanus improvisus is made up of six fused plates. It can grow to a maximum diameter of about 10 millimetres (38 mm). Austrominius modestusĪ species of barnacle belonging to the Elminiidae family by the name of Austrominius modestus is endemic to Australia, Tasmania, and New Zealand but has since expanded to Britain and the north-western coastlines of Europe. Both water and air can provide them with oxygen. They are frequently observed on mussels, rocks, and pier pilings in the upper intertidal zone. One of the most prevalent barnacle species on the Pacific coast of North America is the Balanus glandula, which is found from Alaska in the United States to Bahia de San Quintin, which is close to San Quintin, Baja California. In the intertidal zone of north-western Europe and both coastlines of North America, it is typical on rocks and other substrates. Semibalanus balanoides, often known as the common barnacle, common rock barnacle, or northern rock barnacle, is a widely distributed acorn barnacle species native to the boreo-arctic region. Balanus trigonus Semibalanus balanoides.Let us discuss a few of the most common barnacles below. A barnacle is a species of arthropod that belongs to the subclass Cirripedia, making it a relative of crabs and lobsters.

Acorn barnacle