Lista de géneros y especies descritos y citados en la parte paleontolósica 
Acanthoceras Schlueterianum, 12. 
—- Woolgari, 12. 
Alectryonia Arizpensis, 48. 
= lugubris, 47. 
Ammonites Arnesensis, 13, nota. 
= Ismaelis, 21. 
-— lenticularis, 20. 
— Requienianus, 22. 
Anomia argentaria 42. 
—  Coquandi, 41. 
—  Ewaldi, 41. 
— mexicana, 15, ¿/1. 
—  micronema, 16, 18, ¿40. 
—  semiglobosa, 41. 
—  subtruncata, 15, 41. 
—  tellinoides, 41. 
—  truncata, 41. 
Avicula Aguilere, 13, nota. 
— gravida, 13, nota. 
Coipoceras, 23. 
= Grossouvrei, 23. 
= novimexicanum, 28. 
—= Requieni, 23. 
— Springeri, 23. 
Crassatella sp. 13, nota. 
Endocostea, 35. 
= typica, 28, 35, 38. 
Exogyra costata, 13, 14, 15, 16, 17, 51. 
—  ¡ponderosa, 13, 14, 15, 17, 50. 
—  Haarmanni, 14, nota. 
—  Olisiponensis, 14, nota. 
Fagesia Haarmanni, 14, nota. 
—  Pervinquieri, 14, nota. 
—  superstes, 14, nota. 
—  Tevesthensis, 14, nota. 
Hoplitoides ingens, 23. 
= mirabilis, 13, nota. 
Indoceras, 21, 22. 
— Baluchistanense, 21. 
Inoceramus altus, 29. 
alveatus, 29, 33. 
amnulatus, 31. 
Balchii, 29, 34. 
balticus, 31, 32. 
Barabini, 14, 15, 18, 29, 82, 
35, 36, 37. 
Brancoi, 35. 
Brongniarti, 26, 383. 
concentricus, 32, nota. 
convexus, 29, 34. 
crenistriatus, 37, 38. 
Cripsi, 15, 16, 18, 28, 37, 38. 
— var. Barabini, 29, 37, 38. 
Inoceramus Cripsi. var. sulcata, 35. 
Cuvieri, 29, 33. 
cycloides, 29, 30, 32, 34, 35, 36. 
fragilis, 29. 
Goldfussianus, 28, 30, 32, 38. 
hercynicus, 13 nota, 26, 
impressus, 28, 33, 30. 
labiatus, 11, 12, 13, 17, 25. 
latus, 30, 31, 32. 
Milleri, 29, 35. 
mytiloides, 25, 27, 28. 
Nebrascensis, 33. 
orbicularis, 31, 32. 
planus, 29, 30, 31, 32, 36. 
proximus, 29, 33, 34, 35, 
= v. subcircularis, 32. 
regularis, 28, 29, 31, 32, 33, 34, 
35, 36, 38, 51. 
Sagensis, 29, 33, 34) 36. 
— var. quadrans, 36. 
Simpsoni, 39. 
subcircularis, 29. 
sublabiatus, 27. 
subleevis, 29. 
tenuilineatus, 29, 34. 
