Infraclass Thoracica Darwin 1854
Parent taxon: Cirripedia according to B. K. K. Chan et al. 2021
See also Hegna et al. 2020, Jones 2007, Martin 1904, Martin and Davis 2001 and Wilson 1983
Sister taxa: Acrothoracica, Bassettina, Chitobalanus, Corobalanus, Ctenaenigmatidae, Ilba, Lophobalanus, Rhizocephala, Schreteriella
Subtaxa: Lepadiformes Pedunculata Phosphatothoracica Scalpelliformes Thoracicalcarea