Cryptonemia bermudensis (Collins & M.Howe) C.W.Schneider, C.E.Lane & G.W.Saunders species accepted

Sphaerococcus tuniformis (A.Bertoloni) Kütz., 1849 species synonym

Rhodymenia tuniformis (Bertoloni) Zanardini, 1843 species synonym

Cryptonemia palmetta (S.G.Gmelin) Woelkering, G.Furnari, Cormaci & McNeill, 2019 species accepted

Acrodiscus crenulatus (J.Agardh) De Toni, 1905 species synonym

Cryptonemia seminervis f. phyllantoides J.Agardh form synonym

Cryptonemia seminervis var. palmata J.Agardh variety synonym

Cryptonemia lactuca f. seminervis (C.Agardh) Sauv., 1897 form synonym

Sphaerococcus lactuca Agardh species synonym

Cryptonemia tuniformis (Bertolini) Zanardini, 1868 species accepted

Sphaerococcus seminervis C.Agardh species synonym

Phyllophora crenulata J.Agardh species synonym

Cryptonemia ovalifolia species accepted

Cryptonemia obovata species accepted

Cryptonemia denticulata J.Agardh species accepted

Cryptonemia bengryi W.R.Taylor species accepted

Cryptonemia angustata species accepted

Cryptonemia latissima J.Agardh species accepted

Cryptonemia delicatula A.B.Joly & M.Cordeiro species accepted

Cryptonemia seminervis (C.Agardh) J.Agardh species accepted

Cryptonemia luxurians species accepted

Cryptonemia borealis species accepted

Cryptonemia undulata Sonder species accepted

Cryptonemia crenulata (J.Agardh) J.Agardh species accepted

Cryptonemia yendoi Weber Bosse, 1921 species accepted

Cryptonemia flabellifolia Pinheiro-Joventino & E.C.Oliveira species accepted

Cryptonemia limensis (Kütz.) J.A.Lewis species accepted

Cryptonemia guaymasensis (E.Y.Dawson) E.Y.Dawson species synonym

Cryptonemia lomation (Bertoloni) J.Agardh, 1851 species accepted

Cryptonemia lactuca (Agardh) Agardh species accepted

Fucus lomation Bertoloni, 1818 species homotypic synonym

Cryptonemia veleroae species accepted

Cryptonemia decolorata species accepted

Cryptonemia hibernica Guiry & L.M.Irvine, 1974 species accepted

Nitophyllum gmelinii (Lamouroux) Greville species synonym

Fucus tuniformis Bertoloni, 1819 species synonym

Cryptonemia seminervis var. phyllantoides J.Agardh variety synonym

Cryptonemia seminervis f. seminervis form synonym