1. Maconiceras
    [Maconiceras sp. (?m)]
  2. Macrocephalites
    [Macrocephalites (Kamptokephalites) aff. cossmani (m)]
  3. Macrocephalites
    [Macrocephalites (Kamptokephalites) lophopleurus (m)]
  4. Macrocephalites
    [Macrocephalites (M.) gracilis (m)]
  5. Macrocephalites
    [Macrocephalites (M.) gracilis (M)]
  6. Macrocephalites
    [Macrocephalites (M.) lamellosus (M)]
  7. Macrocephalites
    [Macrocephalites (M.) sp. (M)]
  8. Macrocephalites
    [Macrocephalites (M.) subtrapezinus (M)]
  9. Macrocephalites
    [Macrocephalites (M.) verus (M)]
  10. Macroscaphites
    [Macroscaphites striatisulcatus]
  11. Macroscaphites
    [Macroscaphites yvani (m)]
  12. Malbosiceras
    [Malbosiceras gr. malbosi]
  13. Mammites
    [Mammites nodosoides]
  14. Mammites
    [Mammites nodosoides]
  15. Mammites
    [Mammites nodosoides]
  16. Mammites
    [Mammites nodosoides]
  17. Mammites
    [Mammites nodosoides]
  18. Mantelliceras
    [Mantelliceras cantianum]
  19. Mantelliceras
    [Mantelliceras cantianum]
  20. Mantelliceras
    [Mantelliceras dixoni (M)]
  21. Mantelliceras
    [Mantelliceras mantelli (M)]
  22. Mantelliceras
    [Mantelliceras mantelli juv.]
  23. Mantelliceras
    [Mantelliceras picteti (M)]
  24. Mantelliceras
    [Mantelliceras saxbii (M)]
  25. Maorites
    [Maorites (M.) subtilistriatus]
  26. Martelites
    [Martelites sarasini]
  27. Melchiorites
    [Melchiorites emerici]
  28. Menabites
    [Menabites (M.) lenoblei]
  29. Menuites
    [Menuites arrialoorensis (M)]
  30. Menuites
    [Menuites fresvillensis (M)]
  31. Menuites
    [Menuites sp.]
  32. Menuites
    [Menuites sp. (m)]
  33. Menuites
    [Menuites "wittekindi"]
  34. Menuites
    [Menuites "wittekindi"]
  35. Metaderoceras
    [Metaderoceras venarense]
  36. Metaplacenticeras
    [Metaplacenticeras subtilistriatum]
  37. Metasigaloceras
    [Metasigaloceras rusticum]
  38. Metatissotia
    [Metatissotia ewaldi]
  39. Metengonoceras
    [Metengonoceras dumbli]
  40. Metoicoceras
    [Metoicoceras geslinianum]
  41. Morphoceras
    [Morphoceras macrescens (M)]
  42. Morphoceras
    [Morphoceras macrescens (M)]
  43. Morphoceras
    [Morphoceras multiforme (M)]
  44. Morphoceras
    [Morphoceras sp. (M)]
  45. Morphoceras
    [Morphoceras (Ebrayiceras) pseudoanceps (m)]
  46. Mortoniceras
    [Mortoniceras (M.) cf. inflatum]
  47. Mortoniceras
    [Mortoniceras (M.) kiliani]
  48. Mortoniceras
    [Mortoniceras (M.) pricei]
  49. Mortoniceras
    [Mortoniceras (Subschloenbachia) rostratum]
  50. Moutoniceras
    [Moutoniceras moutonianum]
  51. Mucrodactylites
    [Mucrodactylites mucronatus (m)]
  52. Muniericeras
    [Muniericeras bilottei]
  53. Muniericeras
    [Muniericeras lapparenti]
  54. Muniericeras
    [Muniericeras palmarum]