• Spongites Kützing, 1841
• Spongites absimilis (Foslie & M.Howe) Afonso-Carrillo, 1988
• Spongites africana (Foslie) J.Afonso-Carrillo, M.Chacana & M.Sanson, 1993
• Spongites agariciformis (Pallas) Kützing, 1849 accepted as Mesophyllum lichenoides (J.Ellis) Me.Lemoine, 1928
• Spongites albanensis (Me.Lemoine) J.C.Braga, Bosence & Steneck, 1993 †
• Spongites byssoides (Lamarck) Kützing, 1869 accepted as Lithophyllum byssoides (Lamarck) Foslie, 1900
• Spongites calcareus (Pallas) Kützing, 1849 accepted as Phymatolithon calcareum (Pallas) W.H.Adey & D.L.McKibbin ex Woelkering & L.M.Irvine, 1986
• Spongites colliculosus (Masaki) Maneveldt & Keats, 2016
• Spongites confluens Kützing, 1841 accepted as Lithophyllum incrustans Philippi, 1837
• Spongites corallioides P.Crouan & H.Crouan, 1852 accepted as Lithothamnion corallioides (P.Crouan & H.Crouan) P.Crouan & H.Crouan, 1867
• Spongites crassus (Philippi) Kützing, 1869 accepted as Lithophyllum duckerae Woelkerling, 1983 accepted as Lithophyllum racemus (Lamarck) Foslie, 1901
• Spongites crustacea Kützing, 1843 (uncertain)
• Spongites decipiens (Foslie) Y.M. Chamberlain, 1993 accepted as Chamberlainium decipiens (Foslie) Caragnano, Foetisch, Maneveldt & Payri, 2018
• Spongites decussatus Kützing, 1849 accepted as Lithophyllum decussatum (J.Ellis & Solander) Philippi, 1837
• Spongites dentatus Kützing, 1841 accepted as Lithophyllum dentatum (Kützing) Foslie, 1898
• Spongites discoideus (Foslie) Penrose & Woelkerling, 1988
• Spongites fasciculata (Lamarck) Kützing, 1849 accepted as Lithophyllum fasciculatum (Lamarck) Foslie, 1898
• Spongites fruticulosus Kützing, 1841
• Spongites fruticulosus f. clavulatus Foslie accepted as Spongites fruticulosus Kützing, 1841
• Spongites fruticulosus f. crassiusculus Foslie accepted as Spongites fruticulosus Kützing, 1841
• Spongites hauckii (Rothpletz) Ballesteros, 1993 accepted as Neogoniolithon mamillosum (Hauck) Setchell & L.R.Mason, 1943
• Spongites hyperellus (Foslie) D.L.Penrose, 1996
• Spongites impar (Foslie) Y.M.Chamberlain, 1994
• Spongites mamillosa (Hauck) Ballesteros, 1990 accepted as Neogoniolithon mamillosum (Hauck) Setchell & L.R.Mason, 1943
• Spongites nodosus Kützing, 1841 accepted as Lithothamnion nodosum (Kützing) Woelkerling, 1985
• Spongites notarisii (Dufour) Athanasiadis, 1987 accepted as Neogoniolithon brassica-florida (Harvey) Setchell & L.R.Mason, 1943
• Spongites notarisii var. insidiosa (Solms) ? accepted as Neogoniolithon brassica-florida (Harvey) Setchell & L.R.Mason, 1943
• Spongites notarisii var. ptichoides (Foslie) ? accepted as Neogoniolithon brassica-florida (Harvey) Setchell & L.R.Mason, 1943
• Spongites onkodes (Heydrich) Penrose & Woelkerling, 1988 accepted as Porolithon onkodes (Heydrich) Foslie, 1909
• Spongites orbiculatus (T.Masaki) Maneveldt & D.W.Keats, 2016 accepted as Dawsoniolithon orbiculatum (T.Masaki) R.A.Townsend & Huisman, 2018
• Spongites polymorpha Kützing, 1849 accepted as Phymatolithon calcareum (Pallas) W.H.Adey & D.L.McKibbin ex Woelkering & L.M.Irvine, 1986
• Spongites racemosus Kützing, 1841 accepted as Neogoniolithon racemosum (Kützing) Basso & Rodondi, 2006
• Spongites ramulosus (Philippi) Kützing, 1869 accepted as Spongites fruticulosus Kützing, 1841
• Spongites reinboldii (Weber-van Bosse & Foslie) Penrose & Woelkering, 1988 accepted as Hydrolithon reinboldii (Weber Bosse & Foslie) Foslie, 1909 accepted as Hydrolithon boergesenii (Foslie) Foslie, 1909
• Spongites sporolithon Kalugina-Gutnik, Perestenko & Titlyanova, 1992 (uncertain)
• Spongites stalactiticus Kützing, 1841 accepted as Spongites fruticulosus Kützing, 1841
• Spongites sulawesiensis Verheij, 1994
• Spongites tunicatus Penrose, 1996
• Spongites verruculosus Zeller, 1876
• Spongites wildpretii Afonso-Carrillo, 1988 accepted as Harveylithon samoënse (Foslie) A.Rösler, Perfectti, V.Peña & J.C.Braga, 2016
• Spongites yendoi (Foslie) Y.M.Chamberlain, 1993