IRMNG Taxon list
Cyanidioschyzon merolae P. De Luca, R. Taddei & L. Varano, 1978
Cyanidium caldarium (Tilden) Geitler, 1933
Cyanidium daedalum (O. Yu. Sentsova) F.D. Ott
Cyanidium maximum (O. Yu. Sentsova) F.D. Ott, 1994
Cyanidium partitum (O. Yu. Sentsova) F.D. Ott
Cyanidium rumpens (G.H. Schwabe) F.D. Ott
Cyanidium sulphurarium (Galdieri) F.D. Ott, 1994 accepted as Galdieria sulphuraria (Galdieri) Merola, 1982
Galdieria daedala O. Yu. Sentsova accepted as Cyanidium daedalum (O. Yu. Sentsova) F.D. Ott
Galdieria maxima O. Yu. Sentsova, 1991
Galdieria partita O. Yu. Sentsova
Galdieria sulphuraria (Galdieri) Merola, 1982
Pluto calderium (Tilden) J.J. Copeland, 1936 accepted as Cyanidium caldarium (Tilden) Geitler, 1933
Rhodococcus caldarius (Tilden) Hirose, 1958 accepted as Cyanidium caldarium (Tilden) Geitler, 1933