AustrobalanusAustrobalanus is a genus of symmetrical sessile barnacles in the family Austrobalanidae, the sole genus of the family. There are three described species in Austrobalanus, one of which is only known from the fossil record.SpeciesThese species belong to the genus Austrobalanus: † Austrobalanus antarcticus Buckeridge, 2000Austrobalanus imperator Austrobalanus macdonaldensis Buckeridge, 1983