1. Maconiceras
    [Maconiceras sp. (?m)]
  2. Macrocephalites
    [Macrocephalites aff. cossmani (m)]
  3. Macrocephalites
    [Macrocephalites cf. jacquoti (M)]
  4. Macrocephalites
    [Macrocephalites cf. lophopleurus forme folliformis]
  5. Macrocephalites
    [Macrocephalites cf. pila (M)]
  6. Macrocephalites
    [Macrocephalites cf. tuguriensis]
  7. Macrocephalites
    [Macrocephalites cf. verus (M)]
  8. Macrocephalites
    [Macrocephalites gr. gracilis (M)]
  9. Macrocephalites
    [Macrocephalites gr. gracilis (M)]
  10. Macrocephalites
    [Macrocephalites gracilis (M)]
  11. Macrocephalites
    [Macrocephalites gracilis (M)]
  12. Macrocephalites
    [Macrocephalites gracilis (m)]
  13. Macrocephalites
    [Macrocephalites herveyi (m)]
  14. Macrocephalites
    [Macrocephalites herveyi morphe grantanus (m)]
  15. Macrocephalites
    [Macrocephalites hoyeri (m)]
  16. Macrocephalites
    [Macrocephalites hoyeri (m)]
  17. Macrocephalites
    [Macrocephalites lamellosus (m)]
  18. Macrocephalites
    [Macrocephalites lamellosus (m)]
  19. Macrocephalites
    [Macrocephalites macrocephalus (M)]
  20. Macrocephalites
    [Macrocephalites sp. (M)]
  21. Macrocephalites
    [Macrocephalites sp. (M)]
  22. Macrocephalites
    [Macrocephalites sp. (M)]
  23. Macrocephalites
    [Macrocephalites sp. (M)]
  24. Macrocephalites
    [Macrocephalites sp. (M)]
  25. Macrocephalites
    [Macrocephalites sp. (M)]
  26. Macrocephalites
    [Macrocephalites sp. (m)]
  27. Macrocephalites
    [Macrocephalites sp. cf. lophopleurus (m)]
  28. Macrocephalites
    [Macrocephalites sp. cf. lophopleurus forme liberalis (m)]
  29. Macrocephalites
    [Macrocephalites subcompressus (m)]
  30. Macrocephalites
    [Macrocephalites tumidus (M)]
  31. Macrocephalites
    [Macrocephalites verus (M)]
  32. Macrocephalites
    [Macrocephalites verus (M)]
  33. Macroscaphites
    [Macroscaphites striatisulcatus]
  34. Macroscaphites
    [Macroscaphites striatisulcatus]
  35. Macroscaphites
    [Macroscaphites yvani (M)]
  36. Macroscaphites
    [Macroscaphites yvani (m)]
  37. Maeneceras
    [Maeneceras subvaricatum subvaricatum]
  38. Mammites
    [Mammites asflaensis]
  39. Mammites
    [Mammites asflaensis]
  40. Mammites
    [Mammites mohovanensis]
  41. Mammites
    [Mammites nodosoides]
  42. Mammites
    [Mammites nodosoides]
  43. Mammites
    [Mammites nodosoides]
  44. Mammites
    [Mammites nodosoides]
  45. Mammites
    [Mammites nodosoides]
  46. Mammites
    [Mammites nodosoides]
  47. Mammites
    [Mammites nodosoides]
  48. Mammites
    [Mammites nodosoides]
  49. Mammites
    [Mammites nodosoides]
  50. Mammites
    [Mammites nodosoides]
  51. Mammites
    [Mammites nodosoides]
  52. Mantelliceras
    [Mantelliceras cantianum]
  53. Mantelliceras
    [Mantelliceras cantianum]
  54. Mantelliceras
    [Mantelliceras dixoni (M)]
  55. Mantelliceras
    [Mantelliceras mantelli (M)]
  56. Mantelliceras
    [Mantelliceras picteti (M)]
  57. Mantelliceras
    [Mantelliceras saxbii (M)]
  58. Manticoceras
    [Manticoceras gr. latisellatum]
  59. Maorites
    [Maorites (Maorites) subtilistriatus]
  60. Mariella
    [Mariella (Mariella) cenomanensis]
  61. Mariella
    [Mariella (Mariella) dorsetensis]
  62. Mariella
    [Mariella (Mariella) essenensis]
  63. Mariella
    [Mariella (Mariella) essenensis]
  64. Mariella
    [Mariella (Mariella) gallienii]
  65. Martelites
    [Martelites sarasini]
  66. Medioclymenia
    [Medioclymenia saourensis]
  67. Melchiorites
    [Melchiorites emerici]
  68. Melchiorites
    [Melchiorites strigosus]
  69. Menabites
    [Menabites (Menabites) lenoblei]
  70. Menuites
    [Menuites "wittekindi"]
  71. Menuites
    [Menuites "wittekindi"]
  72. Menuites
    [Menuites arrialoorensis (M)]
  73. Menuites
    [Menuites fresvillensis (M)]
  74. Menuites
    [Menuites sp.]
  75. Menuites
    [Menuites sp. (m)]
  76. Mesoturrilites
    [Mesoturrilites aumalensis]
  77. Mesoturrilites
    [Mesoturrilites serpuliforme]
  78. Metaderoceras
    [Metaderoceras gr. muticum]
  79. Metaderoceras
    [Metaderoceras venarense]
  80. Metagarantiana
    [Metagarantiana media (M)]
  81. Metaplacenticeras
    [Metaplacenticeras subtilistriatum]
  82. Metasigaloceras
    [Metasigaloceras rusticum]
  83. Metatissotia
    [Metatissotia cf. thomasi]
  84. Metatissotia
    [Metatissotia ewaldi]
  85. Metatissotia
    [Metatissotia ewaldi]
  86. Metatissotia
    [Metatissotia fourneli]
  87. Metengonoceras
    [Metengonoceras dumbli]
  88. Metoicoceras
    [Metoicoceras geslinianum]
  89. Microbiplices
    [Microbiplices (?) prowitteanus (m)]
  90. Micromphalites
    [Micromphalites (Clydomphalites) clydocromphalus]
  91. Mimimitoceras
    [Mimimitoceras comtum]
  92. Mollistephanus
    [Mollistephanus mollis]
  93. Morphoceras
    [Morphoceras (Ebrayiceras) pseudoanceps (m)]
  94. Morphoceras
    [Morphoceras jactatum (M)]
  95. Morphoceras
    [Morphoceras macrescens (M)]
  96. Morphoceras
    [Morphoceras macrescens (M)]
  97. Morphoceras
    [Morphoceras macrescens (M)]
  98. Morphoceras
    [Morphoceras multiforme (M)]
  99. Morrisiceras
    [Morrisiceras morrisi (M) juv.]
  100. Morrowites
    ["Morrowites dixeyi"]
  101. Morrowites
    ["Morrowites dixeyi"]
  102. Morrowites
    [Morrowites wingi]
  103. Morrowites
    [Morrowites wingi]
  104. Moutoniceras
    [Moutoniceras moutonianum]
  105. Mucrodactylites
    [Mucrodactylites mucronatus (m)]
  106. Muniericeras
    [Muniericeras bilottei]
  107. Muniericeras
    [Muniericeras bilottei]
  108. Muniericeras
    [Muniericeras palmarum]
  109. Myloceras
    [Myloceras cf. nautiloides]