Spiniferites |
Spiniferites crassipellis
|
Argentina(Buenos Aires) |
Cenomanian |
Late Neogene |
Achomosphaera |
Achomosphaera sagena
|
Argentina(Buenos Aires) |
Cenomanian |
Oligocene |
Deflandrea |
Deflandrea fuegiensis
|
Argentina(Buenos Aires) |
Cenomanian |
Eocene |
Nematosphaeropsis |
Nematosphaeropsis densiradiata
|
Argentina(Buenos Aires) |
Cenomanian |
Eocene |
Hystrichodinium |
Hystrichodinium voigtii
|
Argentina(Buenos Aires) |
Cenomanian |
Paleocene |
Coronifera |
Coronifera oceanica
|
Argentina(Buenos Aires) |
Cenomanian |
Paleocene |
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
Argentina(Buenos Aires) |
Cenomanian |
Paleocene |
Palambages |
Palambages morulosa
|
Argentina(Buenos Aires) |
Cenomanian |
Paleocene |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
Argentina(Buenos Aires) |
Cenomanian |
Maastrichtian |
Odontochitina |
Odontochitina striatoperforata
|
Argentina(Buenos Aires) |
Cenomanian |
Campanian |
Xenascus |
Xenascus ceratioides
|
Argentina(Buenos Aires) |
Cenomanian |
Campanian |
Pterospermopsis |
Pterospermopsis areolata
|
Argentina(Buenos Aires) |
Cenomanian |
Coniacian |
Spiniferites |
Spiniferites membranaceus
|
Argentina(Buenos Aires) |
Turonian |
Late Neogene |
Heterosphaeridium |
Heterosphaeridium heteracanthum
|
Argentina(Buenos Aires) |
Turonian |
Eocene |
Nelsoniella |
Nelsoniella aceras
|
Argentina(Buenos Aires) |
Turonian |
Maastrichtian |
Chatangiella |
Chatangiella vnigrii
|
Argentina(Buenos Aires) |
Turonian |
Campanian |
Deflandrea |
Deflandrea diebelii
|
Argentina(Buenos Aires) |
Coniacian |
Eocene |