Semibalanus

Semibalanus is a genus of barnacles, comprising four species. It is the only genus in the subfamily Semibalaninae.

Species
These species belong to the genus Semibalanus:
 * Semibalanus balanoides (Linnaeus, 1767) (northern acorn barnacle)
 * Semibalanus cariosus (Pallas, 1788) (thatched barnacle)
 * Semibalanus madrasensis (Daniel, 1958)
 * Semibalanus sinnurensis (Daniel, 1962)