Micrhystridium |
Micrhystridium recurvatum
|
Texas |
Cenomanian |
|
Micrhystridium |
Micrhystridium rigidum
sp. nov. |
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium rigidum
sp. nov. |
England(Isle of Wight) |
Cenomanian |
|
Micrhystridium |
Micrhystridium singulare
|
England(Surrey) |
Cenomanian |
|
Micrhystridium |
Micrhystridium singulare
|
England(Isle of Wight) |
Cenomanian |
|
Micrhystridium |
Micrhystridium singulare
|
France |
Cenomanian |
|
Micrhystridium |
Micrhystridium variabile
|
England(Isle of Wight) |
Cenomanian |
|
Micrhystridium |
Micrhystridium variabile
|
France |
Early Cenomanian |
|
Odontochitina |
Odontochitina
|
France(Paris Basin) |
Cenomanian |
|
Odontochitina |
Odontochitina blastema
sp. nov. |
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina blastema
sp. nov. |
France |
Cenomanian |
|
Odontochitina |
Odontochitina costata
|
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina costata
|
England(Isle of Wight) |
Cenomanian |
|
Odontochitina |
Odontochitina costata
|
France |
Cenomanian |
|
Odontochitina |
Odontochitina costata
|
Canada(Saskatchewan) |
Albian |
Early Cenomanian |
Odontochitina |
Odontochitina operculata
|
England(Surrey) |
Cenomanian |
|
Odontochitina |
Odontochitina operculata
|
England(Isle of Wight) |
Cenomanian |
|