Scaphites potieri (FOSSIL) de Grossouvre 1894 †
Scaphites praecoquus (FOSSIL) Cobban, 1951 †
Scaphites preventricosus (FOSSIL) Cobban, 1951 †
Scaphites pseudoaequalis (FOSSIL) Yabe, 1910 †
Scaphites reesidei (FOSSIL) (M. Collignon, 1969 †)
Scaphites sagensis (FOSSIL) Cobban, 1951 †
Scaphites sagensis (FOSSIL) de Grossouvre 1894 †
Scaphites simplex (FOSSIL) (Jukes-Brown 1875 †)
Scaphites subdelicatulus (FOSSIL) Cobban & Gryc 1961 †
Scaphites subdelicatus (FOSSIL) Cobban & Gryc, 1961 †
Scaphites tetonensis (FOSSIL) Cobban, 1951 †
Scaphites uintensis (FOSSIL) Cobban, 1951 †
Scaphites ventricosus (FOSSIL) F.B. Meek & Hayden,1862 †
Scaphites ventricosus (FOSSIL) Cobban, 1951 †
Scaphites veterinovus (FOSSIL) Cobban, 1951 †
Scaphites villoutreysi (FOSSIL) (Thomel, 1972 †)
Scaphites warreni (FOSSIL) (F.B. Meek & Hayden †)
Scaphites whitfieldi (FOSSIL) Cobban, 1951 †
Scaphites yokoyamai (FOSSIL) Jimbo, 1894 †
Scaphites yonekurai (FOSSIL) Yabe, 1910 †
Trachyscaphites alabamensis (FOSSIL) Cobban & Kennedy, 1995 †
Trachyscaphites densicostatus (FOSSIL) Cobban & Kennedy, 1992 †
Trachyscaphites praespiniger (FOSSIL) Cobban & P.H. Scott,1964 †
Trachyscaphites pulcherrimus (FOSSIL) (F.A. Roemer, 1841 †)
Trachyscaphites redbirdensis (FOSSIL) Cobbanand Scott, 1964 †
Trachyscaphites spiniger (FOSSIL) (F. Schlüter, 1872 †)
Worthoceras pacificum (FOSSIL) E. Matsumoto & Yokoi,1987 †
Worthoceras platydorsatus (FOSSIL) (P.H. Scott, 1924 †)
Worthoceras vermiculum (FOSSIL) (Shumard, 1860 †)
Worthoceras worthense (FOSSIL) (Adkins, 1920 †)