Selected synonymic references
Cyttarocylis (Xystonella) cymatica: Brandt, 1906
Cyttarocylis (Xystonella) cymatica var. a: Brandt, 1906
Cyttarocylis (Xystonella) cymatica var. b: Brandt, 1906
Cyttarocylis (Xystonella) cymatica var. c. spicata: Brandt, 1906
Cyttarocylis (Xystonella) dicymatica: Brandt, 1906
Cyttarocylis (Xystonella) dicymatica var. a: Brandt, 1906
Xystonella cymatica: Laackmann, 1910
Xystonella dicymatica: Laackmann, 1910
Xystonellopsis cymatica: Jörgensen, 1924; Kofoid and Campbell, 1929; Balech, 1968; Souto, 1979
Xystonellopsis cymatica var. spicata: Jörgensen, 1924
Xystonellopsis dicymatica: Kofoid and Campbell, 1929
Xystonellopsis inaequalis: Kofoid and Campbell, 1929
Xystonellopsis mascarensis: Kofoid and Campbell, 1929
Xystonellopsis cyclas: Kofoid and Campbell, 1929
Xystonellopsis spicata: Kofoid and Campbell, 1929