56 
LISTA DE LAS ESPECIES 
lenticulare, Placenticeras, 20. 
lenticularis, Ammonites, 20. 
= Sphenodiscus, 15, 16, 20. 
lobatus, Sphenodiscus, 25. 
lugubris, Alectryonia, 47. 
= Ostrea, 11, 12, 17, 47. 
macroptera, Ostrea, 48. 
mexicana, Anomia, 15, 41. 
micronema, Anomia, 16, 18, 40. 
mirabilis, Hoplitoides, 13, nota. 
Mobovanensis, Mammites, 13, nota. 
Mohovanense, Vascoceras, 13, nota. 
Morgani, Ostrea, 16, 49. 
Miúlleri, Inoceramus, 29, 35. 
mytiloides, Inoceramus, 25, 27, 28, 
Nebrascensis, Inoceramus, 33. 
nodosoides, Mammites, 13, nota. 
novimexicanum, Coilopoceras, 25. 
Olisiponensis, Exogyra, 14, nota. 
orbicularis, Inoceramus, 31, 32. 
ovatum, Tylostoma, 13, nota. 
Pedroanum, Pseudaspidoceras, 14, nota. 
peramplus, Pachydiscus, 12, 19, 23. 
Pervinquieri, Fagesia, 14, nota. 
planus, Inoceramus, 29, 30, 31, 32, 36. 
polymorphum, Vascoceras, 13 nota. 
ponderosa, Exogyra, 13, 14, 15, 17, 50. 
problematicus, Mytilites, 25. 
proximus, Inoceramus, 29, 33, 34, 35. 
— y. subcircularis, Inoceramus, 32. 
punica, Ostrea, 44. 
quadriplicata, Ostrea, 50. 
regularis, Inoceramus, 28, 29, 31, 32, 33, 
34, 35, 36, 88, 51. 
Requieni, Coilopoceras, 23. 
-- Sphenodiscus, 20, 22. 
Requienianus, Ammonites, 22. 
rocana, Ostrea, 47. 
Rutoti, Sphenodiscus, 20, 21. 
Sagensis, Inoceramus, 29, 38, 34, 36. 
= v. quadrans, Inoceramus, 36. 
Saltillensis, Ostrea, 15, 46. 
Scaniensis, Ostrea, 45. 
Schluetertanum, Acanthoceras, 12. 
selleeformis, Ostrea, 47. 
semiglobosa, Anomia, 41. 
semiplana, Ostrea, 48. 
Simpsoni, Inoceramus, 30. 
Siva, Sphenodiscus, 16, 20, 21, 24. 
Springeri, Coilopoceras, 23. 
subcircularis, Inoceramus, 29. 
sublabiatus, Inoceramus, 27. 
subleevis, Inoceramus, 29. 
subtrigonalis, Ostrea, 45, 46. 
subtruncata, Anomia, 15, 41. 
superstes, Fagesia, 14, nota. 
sulcata, Ostrea, 48. 
tellinoides, Anomia, 41. 
tenuilineatus, Inoceramus, 29, 34. 
tenuirostris, Inoceramus, 34. 
Tevesthensis, Fagesia, 14, nota. 
truncata, Anomia, 41. 
truncatus, Inoceramus, 32, nota. 
typica, Endocostea, 28, 35, 38. 
Ubaghsi, Sphenodiscus, 20, 21. 
Utahensis, Lima, 39. 
Vanuxemi, Inoceramus, 29, 34, 35. 
Veatchil, Ostrea, 50. 
Whipleyi, Ptychodus, 11, 
Whitei, Metoecoceras, 14, nota. 
Woolgari, Acanthoceras, 12. 
Wyomingensis, Ostrea, 43. 
Xetriformis, Neoptychites, 13, nota. 
Zitteli, Inoceramus, 29, 
