Sinkoraena okamurae (Yamada) H.-B.Lee, J.A.Lewis, Kraft & I.K.Lee, 1997 species synonym

Polyopes lancifolius (Harvey) S.Kawaguchi & H.W.Wang species accepted

Sinkoraena lancifolia (Harvey) H.-B.Lee, J.A.Lewis, Kraft & I.K.Lee, 1997 species synonym

Gigartina lancifolia Harvey, 1860 species synonym

Grateloupia horrida Okamura, 1893 species synonym

Polyopes polyideoides Okamura, 1895 species accepted

Polyopes prolifer (Hariot) Kawaguchi & Wang species accepted

Gigartina prolifera Hariot species synonym

Grateloupia affinis subsp. lata Okamura subspecies synonym

Grateloupia okamurae Yamada, 1941 species synonym

Grateloupia lancifolia (Harvey) Okamura, 1899 species synonym

Grateloupia flabellata Holmes species synonym

Grateloupia lata (Okamura) Okamura species synonym

Polyopes emarginatus (Kütz.) A.J.K.Millar, 2005 species accepted

Chondrus coccineis Kütz., 1867 species synonym

Grateloupia emarginata Kütz., 1867 species synonym