PachylasmaPachylasma is a genus of symmetrical sessile barnacles in the family Pachylasmatidae. There are about eight described species in Pachylasma.SpeciesThese species belong to the genus Pachylasma:Pachylasma bacum Jones, 2000Pachylasma darwinianum Pilsbry, 1912Pachylasma ecaudatum Hiro, 1939Pachylasma giganteum Pachylasma integrirostrum Broch, 1931Pachylasma laeviscutum Jones, 2000Pachylasma ovatum Jones, 2000Pachylasma scutistriata Broch, 1922