Punctulcites |
Punctulcites ulcumarginatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Baculoperculites |
Baculoperculites macrobaculat0s
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Baculoperculites |
Baculoperculites bacillum
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Echinoperculites |
Echinoperculites macroechinatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Spinoperculites |
Spinoperculites sp
|
Mexico(Coahuila) |
Maestrichtian |
|
Foveoperculites |
Foveoperculites vesticulatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Punctanavisulcites |
Punctanavisulcites monomarginatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Gemmanavisulcites |
Gemmanavisulcites margigemmatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Spinavisulcites |
Spinavisulcites exilispinosus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Spinavisulcites |
Spinavisulcites nuduproximalis
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Spinavisulcites |
Spinavisulcites sp. Rued.,1967
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Foveonavisulcites |
Foveonavisulcites infrafoveolatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Retinavisulcites |
Retinavisulcites microreticulatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Retinavisulcites |
Retinavisulcites pulchereticulatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Psilaconfertisulcites |
Psilaconfertisulcites knowltoni
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Punctaconfertisulcites |
Punctaconfertisulcites microreticulatus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|
Psiladiptychesulcites |
Psiladiptychesulcites minimus
sp. nov. |
Mexico(Coahuila) |
Maestrichtian |
|