1. Radstockiceras
    [Radstockiceras buvignieri]
  2. Rasenioides
    [Rasenioides chatelaillonensis (M)]
  3. Rasenioides
    [Rasenioides discoidus (M)]
  4. Rehmannia
    [Rehmannia (Loczyceras) aff. reissi (M)]
  5. Rehmannia
    [Rehmannia (Loczyceras) cf. segestana]
  6. Rehmannia
    [Rehmannia (Loczyceras) reissi (M)]
  7. Rehmannia
    [Rehmannia (Loczyceras) sp.]
  8. Rehmannia
    [Rehmannia (Rehmannia) gr. rehmanni forme revili (m)]
  9. Rehmannia
    [Rehmannia (Rehmannia) grossouvrei (M)]
  10. Rehmannia
    [Rehmannia (Rehmannia) rehmanni (M)]
  11. Rehmannia
    [Rehmannia (Rehmannia) rehmanni (M)]
  12. Rehmannia
    [Rehmannia (Rehmannia) rehmanni forme limalongensis (M)]
  13. Reineckeia
    [Reineckeia (Reineckeia) anceps anceps (M)]
  14. Reineckeia
    [Reineckeia (Reineckeia) anceps anceps (M)]
  15. Reineckeia
    [Reineckeia (Reineckeia) anceps anceps (m)]
  16. Reineckeia
    [Reineckeia (Reineckeia) anceps elmii (M)]
  17. Reineckeia
    [Reineckeia (Reineckeia) sp.]
  18. Reineckeia
    [Reineckeia (Reineckeia) stuebeli (m)]
  19. Retowskiceras
    [Retowskiceras andrussowi]
  20. Reynesoceras
    [Reynesoceras ragazzoni (M)]
  21. Roberticeras
    [Roberticeras komihevitraense (M)]
  22. Roberticeras
    [Roberticeras laevigatum]
  23. Roberticeras
    [Roberticeras newtoni]
  24. Rollieria
    [Rollieria sp.]
  25. Romaniceras
    [Romaniceras (Romaniceras) deverianum]
  26. Romaniceras
    [Romaniceras (Romaniceras) kallesi]
  27. Romaniceras
    [Romaniceras (Romaniceras) kallesi]
  28. Romaniceras
    [Romaniceras (Romaniceras) kallesi]
  29. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  30. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  31. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  32. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  33. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  34. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  35. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  36. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  37. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  38. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  39. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  40. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  41. Romaniceras
    [Romaniceras (Romaniceras) marigniacum]
  42. Romaniceras
    [Romaniceras (Yubariceras) evolutum]
  43. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  44. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  45. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  46. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  47. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  48. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  49. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  50. Romaniceras
    [Romaniceras (Yubariceras) ornatissimum]
  51. Rugacrioceras
    [Rugacrioceras monopujaae (m)]
  52. Rursiceras
    ["Rursiceras reversum" (m)]