The word "barnacle" is attested in the early 13th century as Middle English "bernekke" or "bernake", close to Old French "bernaque" … Meer weergeven

Filter feeding
Most barnacles are filter feeders. From within their shell, they repeatedly reach into the water column with their cirri. These … Meer weergeven

Fossil record
The oldest definitive fossil barnacle is Praelepas from the mid-Carboniferous, around 330 … Meer weergeven

Most barnacles are encrusters, attaching themselves to a hard substrate such as a rock, the shell of a mollusc, or a ship; or to an animal … Meer weergeven

Barnacles pass through two distinct larval stages, the nauplius and the cyprid, before developing into a mature adult.
Nauplius larva
A fertilised egg hatches into a nauplius: a one-eyed larva comprising a head and a telson Meer weergeven

Barnacles were classified by Linnaeus and Cuvier as Mollusca, but in 1830 John Vaughan Thompson published observations … Meer weergeven

Biofouling
Barnacles are of economic consequence, as they often attach themselves to man-made … Meer weergeven