Acidolites Lang, Smith & Thomas, 1940 † (original description)
Aenigmatophyllum Lang, Smith & Thomas, 1940 † accepted as Enygmophyllum Fomitchev, 1931 † (original description)
Amplexicarinia Lang, Smith & Thomas, 1940 † accepted as Amplexocarinia Soschkina, 1928 † (original description)
Amplexipora Lang, Smith & Thomas, 1940 † (original description)
Arachnelasma Lang, Smith & Thomas, 1940 † accepted as Arachnolasma Grabau, 1922 † (original description)
Arachniophyllum Lang, Smith & Thomas, 1940 † accepted as Arachnophyllum Dana, 1846 † (original description)
Barbouria Lang, Smith & Thomas, 1940 † (original description)
Brachyelasma Lang, Smith & Thomas, 1940 † (original description)
Cannipora Lang, Smith & Thomas, 1940 † (original description)
Ceriophyllum Lang, Smith & Thomas, 1940 † (original description)
Cetophyllum Lang, Smith & Thomas, 1940 † accepted as Ketophyllum Wedekind, 1927 † (original description)
Cionelasma Lang, Smith & Thomas, 1940 † accepted as Kionelasma Simpson, 1900 † (original description)
Cionophyllum Lang, Smith & Thomas, 1940 † accepted as Kionophyllum Chi, 1931 † (original description)
Clisiaxophyllum Lang, Smith & Thomas, 1940 † (original description)
Codonophyllum Lang, Smith & Thomas, 1940 † (original description)
Cylindropora Lang, Smith & Thomas, 1940 † (original description)
Cyphophyllum Lang, Smith & Thomas, 1940 † accepted as Kyphophyllum Wedekind, 1927 † (original description)
Cystiphora Lang, Smith & Thomas, 1940 † accepted as Langia Flugel, 1970 † (original description)
Cystiphorastraea Lang, Smith & Thomas, 1940 † (original description)
Cystiphrentis Lang, Smith & Thomas, 1940 † accepted as Cystophrentis Yü, 1931 † (original description)
Cystistylus Lang, Smith & Thomas, 1940 † (original description)
Ditoechelasma Lang, Smith & Thomas, 1940 † accepted as Ditoecholasma Simpson, 1900 † (original description)
Docophyllum Lang, Smith & Thomas, 1940 † accepted as Dokophyllum Wedekind, 1927 † (original description)
Endoamplexus Lang, Smith & Thomas, 1940 † accepted as Endamplexus Koker, 1924 † (original description)
Enterelasma Lang, Smith & Thomas, 1940 † accepted as Enterolasma Simpson, 1900 † (original description)
Favastraea Lang, Smith & Thomas, 1940 † (original description)
Fossipora Lang, Smith & Thomas, 1940 † (original description)
Hayasakaia Lang, Smith & Thomas, 1940 † (original description)
Heterclasma Lang, Smith & Thomas, 1940 † accepted as Heterolasma Ehlers, 1919 † (original description)
Hexelasma Lang, Smith & Thomas, 1940 † accepted as Hexalasma Soschkina, 1928 † (original description)
Laceropora Lang, Smith & Thomas, 1940 † accepted as Laceripora Eichwald, 1854 † (original description)
Lamellipora Lang, Smith & Thomas, 1940 † accepted as Lamellopora Owen, 1844 † (original description)
Lecanophyllum Lang, Smith & Thomas, 1940 † accepted as Lekanophyllum Wedekind, 1924 † (original description)
Linopora Lang, Smith & Thomas, 1940 † (original description)
Liopora Lang, Smith & Thomas, 1940 † accepted as Lyopora Nicholson & Etheridge, 1878 † (original description)
Lithodrymus Lang, Smith & Thomas, 1940 † (original description)
Lithophyllum Lang, Smith & Thomas, 1940 † accepted as Lythophyllum Wedekind, 1925 † (original description)
Loepophyllum Lang, Smith & Thomas, 1940 † (original description)
Lophelasma Lang, Smith & Thomas, 1940 † accepted as Lopholasma Simpson, 1900 † (original description)
Lycocystiphyllum Lang, Smith & Thomas, 1940 † (original description)
Lycophyllum Lang, Smith & Thomas, 1940 † (original description)
Lytvelasma Lang, Smith & Thomas, 1940 † accepted as Lytvolasma Soshchkina, 1925 † (original description)
Mycophyllum Lang, Smith & Thomas, 1940 † (original description)
Palaeastraea Lang, Smith & Thomas, 1940 † accepted as Palastraea M'Coy in Sedgwick & McCoy, 1851 † (original description)
Palaeoalveolites Lang, Smith & Thomas, 1940 † (original description)
Paralithophyllum Lang, Smith & Thomas, 1940 † (original description)
Phacelophyllum Lang, Smith & Thomas, 1940 † (original description)
Pholadophyllum Lang, Smith & Thomas, 1940 † (original description)
Polydiselasma Lang, Smith & Thomas, 1940 † accepted as Polydilasma Hall, 1851 † (original description)
Prismatostylus Lang, Smith & Thomas, 1940 † (original description)
Protaraeopoma Lang, Smith & Thomas, 1940 † (original description)
Protolonsdaleia Lang, Smith & Thomas, 1940 † (original description)
Pseliophyllum Lang, Smith & Thomas, 1940 † (original description)
Rhegmatophyllum Lang, Smith & Thomas, 1940 † accepted as Rhegmaphyllum Wedekind, 1927 † (original description)
Rhopalelasma Lang, Smith & Thomas, 1940 † (original description)
Schistotoechelasma Lang, Smith & Thomas, 1940 † (original description)
Scoliophyllum Lang, Smith & Thomas, 1940 † accepted as Skoliophyllum Wedekind, 1937 † (original description)
Scoliopora Lang, Smith & Thomas, 1940 † (original description)
Semaeophyllum Lang, Smith & Thomas, 1940 † (original description)
Stereoelasma Lang, Smith & Thomas, 1940 † (original description)
Stratiphyllum Lang, Smith & Thomas, 1940 † accepted as Stratophyllum Smyth, 1933 † (original description)
Strobilelasma Lang, Smith & Thomas, 1940 † (original description)
Sublonsdaleia Lang, Smith & Thomas, 1940 † (original description)
Sychnoelasma Lang, Smith & Thomas, 1940 † (original description)
Tachyelasma Lang, Smith & Thomas, 1940 † accepted as Tachylasma Grabau, 1922 † (original description)
Temeniophyllum Lang, Smith & Thomas, 1940 † accepted as Temnophyllum Walther, 1928 † (original description)
Zelaeophyllum Lang, Smith & Thomas, 1940 † accepted as Zeliaphyllum Heritsch, 1936 † (original description)