Subtilisphaera |
Subtilisphaera perlucida
|
Atlantic Ocean |
Cretaceous |
Albian |
Systematophora |
Systematophora areolata
|
Atlantic Ocean |
Cretaceous |
Valanginian |
Systematophora |
Systematophora fasciculigera
|
Atlantic Ocean |
Cretaceous |
Valanginian |
Systematophora |
Systematophora sp
|
Atlantic Ocean |
Jurassic |
Albian |
Tanyosphaeridium |
Tanyosphaeridium magneticum
|
Atlantic Ocean |
Cretaceous |
|
Tanyosphaeridium |
Tanyosphaeridium sp
|
Atlantic Ocean |
Cretaceous |
Albian |
Tehamadinium |
Tehamadinium crestatum
|
Atlantic Ocean |
Cretaceous |
|
Trichodinium |
Trichodinium sp
|
Atlantic Ocean |
Cretaceous |
Albian |
Tubotuberella |
Tubotuberella uncinata
|
Atlantic Ocean |
Cretaceous |
|
Valensiella |
Valensiella magna
|
Atlantic Ocean |
Cretaceous |
|
Valensiella |
Valensiella pygmaeus
|
Atlantic Ocean |
Cretaceous |
Albian |
Valensiella |
Valensiella reticulata
|
Atlantic Ocean |
Cretaceous |
Vraconian |
Wallodinium |
Wallodinium cylindricum
|
Atlantic Ocean |
Cretaceous |
Aptian |
Wallodinium |
Wallodinium krutzschii
|
Atlantic Ocean |
Jurassic |
Aptian |
Wallodinium |
Wallodinium luna
|
Atlantic Ocean |
Cretaceous |
Barremian |
Xenascus |
Xenascus ceratioides
|
Atlantic Ocean |
Cretaceous |
|