Callithamnion cruciatum var. radicans J.Agardh, 1841 variety synonym

Antithamnion leptocladum (Mont.) M.J.Wynne, 1986 species synonym

Callithamnion leptocladum Mont., 1842 species synonym

Antithamnion pulchellum species accepted

Antithamnion miharai species accepted

Antithamnion herminieri species accepted

Antithamnion terminale species accepted

Antithamnion alternanas species accepted

Antithamnion sarniense (Lyle) Feldm.-Maz., 1941 species accepted

Antithamnion mcnabbi species accepted

Antithamnion graffei species accepted

Antithamnion thouarsii species accepted

Antithamnion corticatum species accepted

Antithamnion simulans species accepted

Antithamnion tenuissimum (Hauck) Schiffner species synonym

Antithamnion cruciatum f. tenuissima Hauck, 1883 form synonym

Antithamnion dendroideum species accepted

Antithamnion secundatum species synonym

Callithamnion divergens J.Agardh, 1876 species synonym

Antithamnion densum (Suhr) M.A.Howe species accepted

Herpothamnion leptocladum (Mont.) Nägeli, 1862 species synonym

Antithamnion pygmaeum N.L.Gardner, 1927 species synonym

Antithamnion defectum Kylin, 1925 species accepted

Callithamnion densum Suhr, 1840 species synonym

Antithamnion sparsum species accepted

Antithamnion setaceum N.L.Gardner, 1927 species synonym

Antithamnion decipiens (J.Agardh) Athanas. species accepted

Antithamnion ogdeniae I.A.Abbott, 1979 species synonym

Callithamnion decipiens J.Agardh, 1842 species synonym

Antithamnion cruciatum var. fragilissimum (Zanardini) Hauck variety synonym

Antithamnion ternirameum Hamel & Hamel-Joukov, 1931 species accepted

Antithamnion diminuatum Wollaston species accepted

Antithamnion heterocladum Funk, 1955 species accepted

Antithamnion lherminieri (P.L.Crouan & H.M.Crouan) Bornet ex Nasr species synonym

Antithamnion antillanum Børgesen species accepted

Antithamnion palmyrense species accepted

Callithamnion lherminieri P.L.Crouan & H.M.Crouan, 1878 species synonym

Antithamnion lherminieri var. antillanum (Børgesen) Nasr, 1941 variety synonym

Antithamnion piliferum Cormaci & G.Furnari, 1987 species accepted

Antithamnion hubbsii E.Y.Dawson species accepted

Antithamnion villosum (Kützing) Athanasiadis species accepted

Callithamnion cruciatum var. villosum Kütz., 1861 variety synonym

Antithamnion cruciatum var. scandinavicum Athanasiadis, 1986 variety synonym

Antithamnion kylinii species accepted

Antithamnion cruciatum (C.Agardh) Nägeli species accepted

Callithamnion cruciatum var. majus J.Agardh variety synonym

Antithamnion cruciatum var. profundum Feldm.-Maz. variety synonym

Antithamnion cruciatum f. radicans (J.Agardh) Hauck, 1882 form synonym

Callithamnion cruciatum var. pumilum (Harvey) Harvey, 1841 variety synonym

Antithamnion cruciatum var. pumilum (Harvey) Reinke, 1891 variety synonym

Callithamnion cruciatum C.Agardh species synonym

Callithamnion imbricatum Schousboe ex Suhr species synonym

Callithamnion cruciatum f. radicans (J.Agardh) Rosenv., 1924 form synonym

Callithamnion pumilum Harvey species synonym

Antithamnion cruciatum var. tenerum Schiffn. variety synonym

Antithamnion percurrens species accepted

Antithamnion pectinatum (Mont.) Brauner species accepted

Herpothamnion pectinatum (Montagne) Nägeli species synonym

Antithamnion cristirhizophorum species accepted

Ptilothamnion pectinatum (Montagne) Laing species synonym

Callithamnion applicitum Harvey, 1855 species synonym

Callithamnion pectinatum Montagne species synonym

Antithamnion applicitum (Harvey) J.Agardh, 1892 species synonym

Antithamnion nipponicum Yamada & Inagaki species synonym

Antithamnion gardneri species accepted

Antithamnion amphigeneum A.J.K.Millar, 1990 species accepted

Antithamnion algeriense M.Verlaque & Seridi, 1991 species synonym

Antithamnion veleroae W.R.Taylor species accepted

Antithamnion delicatulum (Harvey) De Toni, 1903 species accepted

Callithamnion delicatulum Harvey, 1855 species synonym

Antithamnion asymmetricum species accepted

Antithamnion adenocladellum R.Norris species accepted

Antithamnion basisporum species accepted

Antithamnion sublittorale species accepted

Antithamnion dumontii species accepted

Antithamnion shimamuranum species accepted

Antithamnion pteroton species accepted

Antithamnion pseudocorticatum species accepted

Antithamnion lherminieri (P.L.Crouan & H.M.Crouan) Bornet species homotypic synonym

Antithamnion plumula Ellis species accepted

Antithamnion pylaisaei Montagne species accepted

Callithamnion imbricatum Schousboe species homotypic synonym