Gymnogongrus japonicus subsp. ahnfeltioides Makienko subspecies synonym

Gymnogongrus smithii W.R.Taylor species synonym

Ahnfeltiopsis flabelliformis (Harvey) Masuda, 1993 species accepted

Gymnogongrus japonicus f. ahnfeltioides Makienko, 1970 form synonym

Gymnogongrus flabelliformis Harvey, 1857 species synonym

Gymnogongrus japonicus Suringar, 1867 species synonym

Ahnfeltiopsis smithii (W.R.Taylor) K.M.Dreckmann & I.Stout species accepted

Ahnfeltiopsis linearis (C.Agardh) P.C.Silva & DeCew, 1992 species accepted

Gymnogongrus linearis (C.Agardh) J.Agardh species synonym

Ahnfeltiopsis pusilla (Mont.) P.C.Silva & DeCew, 1992 species accepted

Gymnogongrus pusillus (Mont.) Feldmann & Mayozer species synonym

Ahnfeltiopsis pygmaea (J.Agardh) P.C.Silva & DeCew, 1992 species accepted

Gymnogongrus pygmaeus J.Agardh, 1851 species synonym

Ahnfeltiopsis devoniensis (Greville) P.C.Silva & DeCew, 1992 species accepted

Fucus devoniensis Grev., 1821 species synonym

Gymnogongrus devoniensis (Grev.) Schotter, 1968 species synonym

Chondrus pusillus Mont., 1834 species synonym

Chondrus celticus Kütz., 1843 species synonym