Bucaniella quadrisulcata (FOSSIL) Reed, 1921 †
Bellerophon randerstonensis (FOSSIL) Weir, 1931 †
Coelocyclus rarissimus (FOSSIL) J. Perner, 1903 †
Bellerophon recticostatus (FOSSIL) Portlock, 1843 †
Waagenella rectistriatus (FOSSIL) Weir, 1931 †
Sphenosphaera recurvus (FOSSIL) (Ulrich & Scofield,1897 †)
Bellerophon regularis (FOSSIL) L. Waagen 1880 †
Bellerophon roemeri (FOSSIL) Fliegel, 1901 †
Cymbularia roemeri (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Sphenosphaera rogersensis (FOSSIL) (Foerste, 1914 †)
Joleaudella rotula (FOSSIL) (A.H. Clarke, 1908 †)
Prosoptychus rotunda (FOSSIL) J. Perner, 1903 †
Waagenella rownhamensis (FOSSIL) Weir, 1931 †
Bellerophon ruthveni (FOSSIL) Reed, 1901 †
Waagenella savii (FOSSIL) C. Gemmellaro, 1889 †
Bellerophon scaber (FOSSIL) J. Perner, 1903 †
Bellerophon scheii (FOSSIL) Tolmachoff, 1930 †
Bellerophon scissile (FOSSIL) T.A. Conrad, 1844 †
Cymbularia sculpta (FOSSIL) J. Perner, 1903 †
Bellerophon sedaliensis (FOSSIL) Miller & Gurley, 1896 †
Bellerophon shelbiensis (FOSSIL) A.H. Clarke & Ruedemann,1903 †
Prosoptychus sibiricus (FOSSIL) Vostokova, 1955 †
Joleaudella sigmoidalis (FOSSIL) Kobayashi, 1934 †
Sphenosphaera similis (FOSSIL) (Ulrich & Scofield,1897 †)
Teutonophon sinensis (FOSSIL) (Pan & Cook, 2003 †)
Bellerophon singularis (FOSSIL) Moore, 1941 †
Bellerophon solitarius (FOSSIL) Billings, 1866 †
Bellerophon solvensis (FOSSIL) Hicks, 1873 †
Waagenella sowerbyi (FOSSIL) (A.E.J. Férussac& A.V.M.D. D'Orbigny, 1840 †)
Bellerophon spergensis (FOSSIL) W.J. Gordon& E.L. Yochelson, 1983 †
Prosoptychus sphaera (FOSSIL) (Lindström, 1884 †)
Joleaudella sphenonotus (FOSSIL) (E.F.R.K. Koken, 1897 †)
Bellerophon squamatus (FOSSIL) L. Waagen, 1880 †
Bellerophon stevensianus (FOSSIL) McChesney, 1859 †
Bucanopsis striata (FOSSIL) Ulrich & Scofield 1897 †