Kingdom Animalia Linnaeus, 1758 - animals Phylum †Archaeocyatha Vologdin, 1937 see Class Archaeocyatha Bornemann, 1884 Class †Regulares Vologdin, 1937 see Class Archaeocyatha Bornemann, 1884 Genus †Cordilleracyathus Handfield, 1971 Genus †Palmericyathus Handfield, 1971 Genus †Robustocyathus Zhuravleva, 1960