Austroaporrhais stilwelli (FOSSIL) Zinsmeister & Griffin,1995 †
Helicaulax striata (FOSSIL) (G.A. Goldfuss, 1844 †)
Trilemma striatocarinatum (FOSSIL) (Sinzow, 1880 †)
Dicroloma striatum (FOSSIL) (L.É.S. Piette, 1856 †)
Pietteia subbicarinata (FOSSIL) (G.G. Münster, 1844 †)
Dicroloma subcochleata (FOSSIL) A. Andreae, 1887 †
Helicaulax subcostatum (FOSSIL) Pchelincev, 1953 †
Cuphosolenus subfusiformis (FOSSIL) (Shumard, 1853 †)
Helicaulax subgibbosus (FOSSIL) (Pervinquière, 1912 †)
Myurusina sublaevigata (FOSSIL) (W.H. Hudleston, 1888 †)
Toarctocera subpunctata (FOSSIL) (Münster, 1844 †)
Pugioptera subrequieni (FOSSIL) (Pchelincev, 1953 †)
Dimorphosoma substenoptera (FOSSIL) J.P. Müller, 1898 †
Anchura substriata (FOSSIL) B. Wade, 1926 †
Quadrinervus subtilis (FOSSIL) (Zekeli, 1852 †)
Anchura sucrensis (FOSSIL) von der Osten, 1957 †
Quadrinervus suevicus (FOSSIL) (F.A. von Quenstedt,1858 †)
Trietteia supraplicata (FOSSIL) (Brösamlen, 1909 †)
Latiala suteri (FOSSIL) (C.T. Trechmann, 1917 †)
Drepanocheilus tanamensis (FOSSIL) Beisel, 1991 †
Latiala tannenbergica (FOSSIL) (Fric, 1897 †)
Helicaulax tarimensis (FOSSIL) P. Wei, 1984 †
Cuphosolenus tarrantensis (FOSSIL) (Stanton, 1947 †)
Pietteia tatahouinensis (FOSSIL) Cox, 1969 †
Latiala tegulata (FOSSIL) (F. Stoliczka, 1868 †)
Tessarolax teleos (FOSSIL) Saul & R.L. Squires,2015 †
Trilemma tenuicarinatum (FOSSIL) Blagovetshenskiy, 2012 †
Aporrhais tenuis (FOSSIL) Boll in F.C.L. Koch,1861 †
Dicroloma tenuistriata (FOSSIL) A.V. Guzhov, 2014 †
Cuphosolenus tenuistriatus (FOSSIL) (Buvignier, 1852 †)
Cuphosolenus tetracer (FOSSIL) (A.V.M.D. D'Orbigny,1825 †)
Drepanocheilus texanus (FOSSIL) L.W. Stephenson, 1941 †
Wateletia thallavignesi (FOSSIL) (Doncieux, 1908 †)
Helicaulax themedensis (FOSSIL) (Abbass, 1963 †)
Aporrhais thersites (FOSSIL) (Brives, 1897 †)