Infraclass Rhizocephala Müller 1862
Parent taxon: Cirripedia according to B. K. K. Chan et al. 2021
See also Hegna et al. 2020, Martin and Davis 2001 and Newman et al. 1969
Sister taxa: Acrothoracica, Bassettina, Chitobalanus, Corobalanus, Ctenaenigmatidae, Ilba, Schreteriella, Thoracica
Subtaxa: Akentrogonida Chthamalophilidae Clistosaccidae Duplorbidae Kentrogonida Mycetomorphidae Parthenopeidae Peltogasterellidae Peltogastridae Pirusaccidae Polyascidae Polysaccidae Sacculinidae Thompsoniidae Triangulidae