1. iatriensis
    [Pavlovia iatriensis (m)]
  2. iberiense
    [Prionocycloceras iberiense]
  3. ibex
    [Tragophylloceras ibex]
  4. ibex
    [Tragophylloceras ibex]
  5. ibnsinai
    [Platyclymenia gr. ibnsinai]
  6. ibnsinai
    [Platyclymenia gr. ibnsinai]
  7. imitator
    [Procerites (Procerites) cf. imitator (M)]
  8. inaequicostatum
    [Kamerunoceras inaequicostatum]
  9. inaequicostatum
    [Kamerunoceras inaequicostatum]
  10. inaequicostatum
    [Lyticoceras inaequicostatum]
  11. inaequinodum
    [Douvilleiceras inaequinodum]
  12. inaequinodum
    [Douvilleiceras inaequinodum]
  13. inaequinodum
    [Douvilleiceras inaequinodum]
  14. indicum
    [Holcophylloceras indicum]
  15. indicus
    [Orionoides indicus (M)]
  16. indicus
    [Orionoides indicus (M)]
  17. indicus
    [Orionoides indicus (M) juv.]
  18. indra
    [Pseudophyllites indra]
  19. inerme
    [Cunningtoniceras inerme]
  20. inerme
    [Cunningtoniceras inerme]
  21. inerme
    [Cunningtoniceras inerme]
  22. inerme
    [Cunningtoniceras inerme]
  23. inflata
    [Pervinquieria (Pervinquieria) cf. inflata]
  24. inflatum
    [Acanthopleuroceras inflatum]
  25. inflatus
    ["Paramammites inflatus"]
  26. ingens
    [Hoplitoides ingens]
  27. insigne
    [Hammatoceras insigne]
  28. insigne
    [Hammatoceras insigne]
  29. intercalare
    [Placenticeras intercalare]
  30. intermedia
    [Subgrossouvria intermedia (M)]
  31. intermedius
    [Anahoplites intermedius]
  32. intermedius
    [Erycites intermedius]
  33. intermedius
    [Pseudoneoptychites aff. intermedius]
  34. intermedius
    [Pseudoneoptychites aff. intermedius]
  35. internenodosa
    [Pseudoschloenbachia (Buehreriella) internenodosa]
  36. involuta
    [Fagesia involuta]
  37. ipfensis
    [Paragarantiana ipfensis (M)]
  38. ipfensis
    [Paragarantiana ipfensis (M)]
  39. irius
    [Gravesia irius (M)]
  40. irius
    [Gravesia irius (M)]
  41. isabellae
    [Choffatia isabellae]
  42. isabellae
    [Choffatia isabellae (M)]
  43. isabellae
    [Choffatia isabellae (m)]
  44. isculensis
    [Eupachydiscus isculensis]
  45. isculensis
    [Eupachydiscus isculensis]
  46. isovokyense
    [Kamerunoceras isovokyense]