Sulcogirtyoceras limatum (FOSSIL) (Miller & M.J. Faber,1892 †)
Sulcogirtyoceras mediolobum (FOSSIL) Kullmann, 1962 †
Eumorphoceras medusa (FOSSIL) L.G. Yates, 1961 †
Girtyoceras meslerianum (FOSSIL) (Girty, 1909 †)
Girtyoceras meslerorum (FOSSIL) (Girty, 1909 †)
Eumorphoceras milleri (FOSSIL) W.J. Gordon, 1964 †
Girtyoceras modestum (FOSSIL) Ruzhentsev& Bogoslovskaya, 1971 †
Girtyoceras multicameratum (FOSSIL) Moore, 1946 †
Eumorphoceras ornatissimum (FOSSIL) Miller & Youngquist,1948 †
Eumorphoceras paucinodum (FOSSIL) W.J. Gordon, 1964 †
Baschkirites planus (FOSSIL) Ruzhencev & Bogoslovskaya,1978 †
Girtyoceras platyforme (FOSSIL) Moore, 1946 †
Edmooroceras plummeri (FOSSIL) (Miller & Youngquist,1949 †)
Girtyoceras premeslerianum (FOSSIL) Moore, 1946 †
Girtyoceras primum (FOSSIL) W. Korn & Titus, 2011 †
Hudsonoceras proteum (FOSSIL) (J. Brown, 1841 †)
Eumorphoceras pseudobilingue (FOSSIL) Bisat, 1922 †
Eumorphoceras pseudocoronula (FOSSIL) Bisat, 1950 †
Eumorphoceras relictum (FOSSIL) J.F. Quinn, J.E. McCaleb& Webb, 1962 †
Eumorphoceras richardsoni (FOSSIL) J.E. McCaleb & al.,1964 †
Eumorphoceras rostratum (FOSSIL) L.G. Yates, 1962 †
Eumorphoceras rota (FOSSIL) L.G. Yates, 1961 †
Eumorphoceras rotuliforme (FOSSIL) Ruan, 1981 †
Sulcogirtyoceras sagittarium (FOSSIL) Ruzhentsev& Bogoslovskaya, 1971 †
Girtyoceras shorrocksi (FOSSIL) Moore, 1946 †
Girtyoceras simplex (FOSSIL) Moore, 1946 †
Eumorphoceras stubblefieldi (FOSSIL) Moore, 1946 †
Eumorphoceras tornquisti (FOSSIL) (Wolterstoff, 1899 †)
Eumorphoceras transuralense (FOSSIL) Ruzhentsev& Bogoslovskaya, 1971 †
Eumorphoceras tumulosum (FOSSIL) Ruzhentsev& Bogoslovskaya, 1971 †
Tumulites varians (FOSSIL) J.E. McCaleb & al.,1964 †
Baschkirites vasilkovskyi (FOSSIL) Ruzhencev & Bogoslovskaya,1978 †
Girtyoceras waitei (FOSSIL) Moore, 1946 †
Sulcogirtyoceras weetsense (FOSSIL) (E.W.J. Moore, 1946 †)
Girtyoceras welleri (FOSSIL) W.J. Gordon, 1964 †