Schizocystia |
Schizocystia rugosa
|
Nd |
Late Cretaceous |
|
Cannosphaeropsis |
Cannosphaeropsis densiradiata
|
Nd |
Late Cretaceous |
|
Deflandrea |
Deflandrea phosphoritica
|
Nd |
Tertiary |
|
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
Nd |
Late Cretaceous |
|
Scriniodinium |
Scriniodinium dictyotum
|
Nd |
Nd |
|
Herendeenia |
Herendeenia pisciformis
|
Nd |
Late Jurassic |
Early Cretaceous |
Polystephanephorus |
Polystephanephorus sarjeantii
|
Nd |
Late Jurassic |
|
Tenua |
Tenua pilosa
|
Nd |
Late Jurassic |
|
Tenua |
Tenua villersensis
|
Nd |
Middle Jurassic |
Late Jurassic |
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
Nd |
Late Jurassic |
|
Horologinella |
Horologinella lineata
|
Nd |
Late Cretaceous |
|
Stephodinium |
Stephodinium australicum
|
Nd |
Late Cretaceous |
|
Cordosphaeridium |
Cordosphaeridium exilimurum
|
Nd |
Eocene |
|
Oligosphaeridium |
Oligosphaeridium prolixispinosum
|
Nd |
Late Cretaceous |
|
Stephanelytron |
Stephanelytron scarburghense
|
Nd |
Late Jurassic |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
Nd |
Late Jurassic |
Late Cretaceous |
Cannosphaeropsis |
Cannosphaeropsis densa
|
Nd |
Late Cretaceous |
|