AfReMaS Taxon list
Hydrolithon boergesenii (Foslie) Foslie, 1909
Hydrolithon breviclavium (Foslie) Foslie, 1909
Hydrolithon craspedium (Foslie) P.C.Silva, 1996
Hydrolithon cymodoceae (Foslie) Penrose, 1992
Hydrolithon cynodoceae (Foslie) Penrose accepted as Hydrolithon cymodoceae (Foslie) Penrose, 1992
Hydrolithon farinosum (J.V.Lamouroux) Penrose & Y.M.Chamberlain, 1993
Hydrolithon improcerum (Foslie & M.Howe) Foslie, 1909
Hydrolithon onkodes (Heydrich) Penrose & Woelkerling, 1992 accepted as Porolithon onkodes (Heydrich) Foslie, 1909
Hydrolithon pellire Y.M.Chamberlain & R.E.Norris, 1994
Hydrolithon reinboldii (Weber Bosse & Foslie) Foslie, 1909 accepted as Hydrolithon boergesenii (Foslie) Foslie, 1909
Hydrolithon samoense (Foslie) Keats & Chamberlain accepted as Hydrolithon samoënse (Foslie) Keats & Y.M.Chamberlain, 1994 accepted as Harveylithon samoënse (Foslie) A.Rösler, Perfectti, V.Peña & J.C.Braga, 2016
Hydrolithon samoënse (Foslie) Keats & Y.M.Chamberlain, 1994 accepted as Harveylithon samoënse (Foslie) A.Rösler, Perfectti, V.Peña & J.C.Braga, 2016
Hydrolithon somaliae (Raineri) P.C.Silva, 1966
Hydrolithon superficiale Keats & Y.M.Chamberlain, 1994 accepted as Harveylithon superficiale (Keats & Y.M.Chamberlain) Maneveldt & Keats, 2016