Mexicanoceras laticostatum (FOSSIL) Imlay, 1940 †
Ceratotuberculus linguituberculatus (FOSSIL) Imlay, 1938 †
Maderia marcosensis (FOSSIL) Imlay, 1940 †
Olcostephanus mingrammi (FOSSIL) H.A. Leanza, 1958 †
Olcostephanus montmaurensis (FOSSIL) †
Mexicanoceras multicostatum (FOSSIL) Imlay, 1940 †
Olcostephanus neohispanica (FOSSIL) Böse 1923 †
Valanginites nucleus (FOSSIL) (F.A. Roemer, 1841 †)
Spiticeras obliquelobatus (FOSSIL) (Uhlig, 1903 †)
Olcostephanus paucicostatus (FOSSIL) (Imlay, 1937 †)
Olcostephanus pecki (FOSSIL) Imlay, 1960 †
Viluceras permolestus (FOSSIL) H.A. Leanza, 1958 †
Olcostephanus popenoei (FOSSIL) Imlay, 1960 †
Proniceras pronum (FOSSIL) (Oppel, 1868 †)
Olcostephanus prorsiradiatus (FOSSIL) (Imlay, 1937 †)
Olcostephanus quadriradiatus (FOSSIL) Imlay, 1938 †
Olcostephanus raricostata (FOSSIL) Böse 1923 †
Olcostephanus sanlazarensis (FOSSIL) (Imlay, 1937 †)
Olcostephanus sayni (FOSSIL) Kilian, 1896 †
Proniceras simile (FOSSIL) Spath, 1950 †
Spiticeras species (FOSSIL) †
Proniceras subpronum (FOSSIL) Burckhardt, 1919 †
Subastieria sulcosae (FOSSIL) (Pavlow & Lamplugh,1892 †)
Subastieria sulcosus (FOSSIL) (Pavlow, 1892 †)
Olcostephanus symonensis (FOSSIL) Böse 1923 †
Taraisites tenuicostatus (FOSSIL) (Imlay, 1937 †)
Valanginites tijerensis (FOSSIL) Imlay, 1937 †
Olcostephanus variegatus (FOSSIL) Paquier, 1900 †
Olcostephanus variegatus latiflexus (FOSSIL) (Baumberger, 1908 †)
Saynoceras verrucosus (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Olcostephanus zacatecana (FOSSIL) Böse 1923 †