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)]
  12. indicus
    [Orionoides indicus (M) juv.]
  13. indra
    [Pseudophyllites indra]
  14. inerme
    [Cunningtoniceras inerme]
  15. inerme
    [Cunningtoniceras inerme]
  16. inerme
    [Cunningtoniceras inerme]
  17. inerme
    [Cunningtoniceras inerme]
  18. inflata
    [Pervinquieria (Pervinquieria) cf. inflata]
  19. inflatum
    [Acanthopleuroceras inflatum]
  20. inflatus
    ["Paramammites inflatus"]
  21. ingens
    [Hoplitoides ingens]
  22. insigne
    [Hammatoceras insigne]
  23. insigne
    [Hammatoceras insigne]
  24. intercalare
    [Placenticeras intercalare]
  25. intermedia
    [Subgrossouvria intermedia (M)]
  26. intermedius
    [Anahoplites intermedius]
  27. intermedius
    [Erycites intermedius]
  28. intermedius
    [Pseudoneoptychites aff. "intermedius"]
  29. intermedius
    [Pseudoneoptychites aff. "intermedius"]
  30. internenodosa
    [Pseudoschloenbachia (Buehreriella) internenodosa]
  31. involuta
    [Fagesia involuta]
  32. ipfensis
    [Paragarantiana ipfensis (M)]
  33. irius
    [Gravesia irius (M)]
  34. irius
    [Gravesia irius (M)]
  35. isabellae
    [Choffatia isabellae]
  36. isabellae
    [Choffatia isabellae (M)]
  37. isabellae
    [Choffatia isabellae (m)]
  38. isculensis
    [Eupachydiscus isculensis]
  39. isculensis
    [Eupachydiscus isculensis]
  40. isovokyense
    [Kamerunoceras isovokyense]