Euphemites aequisulcatus (FOSSIL) Chronic, 1952 †
Warthia americana (FOSSIL) Girty, 1909 †
Warthia angustior (FOSSIL) E.L. Yochelson, 1960 †
Euphemites apertus (FOSSIL) (L. Waagen, 1880 †)
Euphemites baroghilensis (FOSSIL) (Reed, 1925 †)
Euphemites barumensis (FOSSIL) (Whidborne, 1896 †)
Euphemites batteni (FOSSIL) E.L. Yochelson, 1960 †
Stachella bicarinata (FOSSIL) Wang, 1980 †
Stachella bifrons (FOSSIL) L. Waagen, 1880 †
Euphemites blaneyanus (FOSSIL) (McChesney, 1859 †)
Warthia borealis (FOSSIL) (Spath, 1930 †)
Warthia brevisinuata (FOSSIL) L. Waagen, 1880 †
Warthia brevizonata (FOSSIL) Wang, 1980 †
Euphemites callosus (FOSSIL) Weller, 1930 †
Euphemites carbonarius (FOSSIL) (Cox, 1857 †)
Warthia carinata (FOSSIL) Dickins, 1963 †
Warthia catarinensis (FOSSIL) Rocha-Campos, 1970 †
Euphemites chesterensis (FOSSIL) Jeffery & al., 1994 †
Prokopites chlupaci (FOSSIL) (Horný, 1963 †)
Euphemites chubutensis (FOSSIL) Sabattini, 1992 †
Euphemites circumcostatus (FOSSIL) J.E. Walter, 1953 †
Euphemites compressus (FOSSIL) Elias, 1958 †
Warthia crassus (FOSSIL) E.L. Yochelson, 1960 †
Euphemites crenulatus (FOSSIL) E.L. Yochelson, 1960 †
Stachella crucilirata (FOSSIL) Dickins, 1963 †
Euphemites devoniana (FOSSIL) Radabaugh, 1942 †
Euphemites dorbignii (FOSSIL) (Portlock, 1843 †)
Euphemites dorbignyi (FOSSIL) (Portlock †)
Euphemites enodis (FOSSIL) Sturgeon, 1964 †
Euphemites exquisitus (FOSSIL) E.L. Yochelson, 1960 †
Euphemites filosus (FOSSIL) (de Koninck, 1883 †)
Warthia fissus (FOSSIL) E.L. Yochelson, 1960 †
Euphemites fremontensis (FOSSIL) Kulas & Batten, 1997 †
Euphemites galericulatus (FOSSIL) (Winchell, 1862 †)
Euphemites globosus (FOSSIL) Xi, 1980 †