Jerarquía taxonómica:
Gigartinaceae → Chondracanthus squarrulosus (Setch. & N.L. Gardner) Hughey, P.C. Silva & Hommers., 2001

Familia:
Gigartinaceae

Autor:
(Setch. & N.L. Gardner) Hughey, P.C. Silva & Hommers., 2001

Sinónimos:
Gigartina pectinata E.Y. Dawson, 1944
Gigartina johnstonii E.Y. Dawson, 1944
Gigartina macdougalii E.Y. Dawson, 1944
Grateloupia squarrulosa Setch. & N.L. Gardner, 1924
Grateloupia johnstonii Setch. & N.L. Gardner, 1924