Nelsoniella |
Nelsoniella aceras
|
South America |
Turonian |
Campanian |
Nematosphaeropsis |
Nematosphaeropsis sp
|
South America |
Maastrichtian |
|
Odontochitina |
Odontochitina operculata
|
South America |
Cenomanian |
Coniacian |
Odontochitina |
Odontochitina porifera
|
South America |
Maastrichtian |
|
Odontochitina |
Odontochitina striatoperforata
|
South America |
Turonian |
Maastrichtian |
Oligosphaeridium |
Oligosphaeridium anthophorum
|
South America |
Cenomanian |
Coniacian |
Operculodinium |
Operculodinium centrocarpum
|
South America |
Cenomanian |
Coniacian |
Palaeocystodinium |
Palaeocystodinium australinum
|
South America |
Maastrichtian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
South America |
Turonian |
Campanian |
Palambages |
Palambages morulosa
|
South America |
Turonian |
Maastrichtian |
Saeptodinium |
Saeptodinium sp
|
South America |
Cenomanian |
Coniacian |
Spiniferites |
Spiniferites crassipellis
|
South America |
Turonian |
Maastrichtian |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
South America |
Cenomanian |
Coniacian |
Tenua |
Tenua hystricella
|
South America |
Cenomanian |
Maastrichtian |
Trichodinium |
Trichodinium chilense
|
South America |
Cenomanian |
Maastrichtian |
Trithyrodinium |
Trithyrodinium fragile
|
South America |
Maastrichtian |
|
Trithyrodinium |
Trithyrodinium vermiculatum
|
South America |
Turonian |
Maastrichtian |