Australiceras rabenjanaharyi (FOSSIL) M. Collignon, 1962 †
Kutatissites rachathaensis (FOSSIL) Kakabadze, 1977 †
Pseudoaustraliceras ramboulai (FOSSIL) (M. Collignon, 1962 †)
Acrioceras ramkrishnai (FOSSIL) Sarkar, 1955 †
Australiceras ramososeptatoides (FOSSIL) (Rouchadze, 1938 †)
Pseudoaustraliceras ramososeptatum (FOSSIL) (Anthula, 1899 †)
Koeneniceras rareplicatum (FOSSIL) Mikhailova & Baraboshkin,2002 †
Paracrioceras rarinodum (FOSSIL) (A. von Koenen, 1902 †)
Tropaeum rarum (FOSSIL) Whitehouse, 1926 †
Tropaeum rasgradense (FOSSIL) Nikolov & Breskovski,1978 †
Colchidites ratshensis (FOSSIL) Rouchadze, 1933 †
Epitropaeum raulinianiforme (FOSSIL) M. Collignon, 1962 †
Epanisoceras raulinianiforme (FOSSIL) (Breistroffer, 1937 †)
Pseudocrioceras rawsoni (FOSSIL) Ropolo & Gonnet, 1999 †
Kutatissites recticostatus (FOSSIL) (Eristavi, 1955 †)
Audouliceras renauxianum (FOSSIL) (A.V.M.D. D'Orbigny,1842 †)
Tropaeum renniei (FOSSIL) P.H. Boshoff, 1945 †
Ammonitoceras rex (FOSSIL) T.L. Casey, 1980 †
Kutatissites rionensis (FOSSIL) (Rouchadze, 1933 †)
Colchidites riosuarezi (FOSSIL) Kakabadze & Hoedemaeker,2004 †
Australiceras robustum (FOSSIL) Whitehouse, 1926 †
Ammonitoceras robustum (FOSSIL) (A. von Koenen, 1902 †)
Ancyloceras rochi (FOSSIL) Dimitrova, 1967 †
Ancyloceras rochi (FOSSIL) Sarkar, 1955 †
Toxoceratoides rochi (FOSSIL) T.L. Casey, 1961 †
Paracrioceras roeveri (FOSSIL) (A. von Koenen, 1902 †)
Paracrioceras rondishiense (FOSSIL) Kakabadze, 1981 †
Paraspinoceras rosariense (FOSSIL) Myczynski, 1977 †
Proaustraliceras rossicum (FOSSIL) (Glazunova, 1973 †)
Tropaeum rossicum (FOSSIL) T.L. Casey, 1960 †
Colchidites rotundus (FOSSIL) Rouchadze, 1933 †
Toxoceratoides rotundus (FOSSIL) (Philips, 1829 †)
Colchidites rouchadzei (FOSSIL) Eristavi, 1955 †
Toxoceratoides royerianus (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Paracrioceras royogomezi (FOSSIL) (Kakabadze & Hoedemaeker,2004 †)