Algericeras proratum (FOSSIL) (Coquand, 1879 †) Mexico, Chihuahua, Coyame del Sotol
Boeseites proteus (FOSSIL) (F. Haas, 1942 †) Angola, Lobito
Falloticeras proteus (FOSSIL) (A.V.M.D. D'Orbigny,1842 †) South Africa, KwaZulu-Natal, Umkhanyakude
Dipoloceras pseudaon (FOSSIL) Spath, 1931 † Madagascar, Toliary, Menabe
Hysteroceras pseudocornutum (FOSSIL) Spath, 1934 † England, Kent
Neokentroceras pseudovaricosum (FOSSIL) Spath, 1922 † Angola, Lobito
Eubrancoceras quenstedti (FOSSIL) Knechtel, 1947 †
Mortoniceras recticostatum (FOSSIL) Spath, 1925 † Mozambique, Maputo, Matutuíne
Hysteroceras recuperator (FOSSIL) Van Hoepen, 1944 †
Sakondryella remolinense (FOSSIL) Böse, 1928 † USA, Texas, Maverick
Dipoloceroides remotum (FOSSIL) (Spath, 1931 †)
Brancoceras retrorsum (FOSSIL) M. Collignon, 1949 †
Prohysteroceras richardsi (FOSSIL) Whitehouse, 1926 † Australia, Queensland, Tambo
Mortoniceratoides rigidum (FOSSIL) (Spath, 1933 †) Ecuador, Napo, Tena
Erioliceras robustum (FOSSIL) (Van Hoepen 1955 †)
Oxytropidoceras roissyanus (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Boeseites romeri (FOSSIL) F. Haas, 1942 † Angola, Lobito
Subschloenbachia rostratum (FOSSIL) (Sowerby, 1817 †) France, Provence-Alpes-Côte d'Azur200 mm
Parabrancoceras rotundatum (FOSSIL) (M. Collignon, 1949 †) Madagascar, Mahajanga, Boeny
Dipoloceroides semicornutum (FOSSIL) (Spath, 1931 †) France
Hysteroceras semileve (FOSSIL) F. Haas, 1942 † Angola, Lobito
Brancoceras senequieri (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Mortoniceras sergipensis (FOSSIL) (White 1887 †) Brazil, Sergipe
Hysteroceras serpentinum (FOSSIL) Spath, 1934 †
Craginites serratescens (FOSSIL) (Cragin †) USA, New Mexico124 mm
Euhystrichoceras simplex (FOSSIL) Spath, 1933 †
Hysteroceras simplicicosta (FOSSIL) Spath, 1934 †
Neokentroceras singulare (FOSSIL) F. Haas, 1942 † Angola, Lobito
Elobiceras spathianum (FOSSIL) F. Haas, 1942 † Angola, Lobito
Neokentroceras speciosum (FOSSIL) F. Haas, 1942 † Angola, Lobito
Cantabrigites spinosum (FOSSIL) (Pervinquière, 1907 †) USA, Texas, Tarrant
Dipoloceroides spinulosum (FOSSIL) (Spath, 1931 †)
Mortoniceras stoliczkai (FOSSIL) Spath 1922 † Angola, Lobito
Butticeras studleyi (FOSSIL) Anderson, 1958 † USA, California, Butte
Hysteroceras subbinum (FOSSIL) Spath, 1934 † UK, England19 mm