Dodatak:Popis kromista, X
Xi
uredi- Xiphatractus pluto Haeckel, 1887
Chromista → Radiozoa → Polycystina → Spumellaria → Actinommidae
- Xiphosphaera gaea Haeckel, 1887
- Xiphosphaera tessaractis Dreyer, 1913
Chromista → Radiozoa → Polycystina → Spumellaria → Actinommidae