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