Muderongia |
Muderongia sp
|
Alaska |
Early Cretaceous |
|
Pseudoceratium |
Pseudoceratium nudum
|
England(Yorkshire) |
Early Cretaceous |
|
Adnatosphaeridium |
Adnatosphaeridium
|
Nd |
Late Jurassic |
|
Canningia |
Canningia
|
Nd |
Late Jurassic |
|
Cyclonephelium |
Cyclonephelium
|
Nd |
Late Jurassic |
|
Chiropteridium |
Chiropteridium
|
Nd |
Late Jurassic |
|
Doidyx |
Doidyx
|
Nd |
Late Jurassic |
|
Tenua |
Tenua
|
Nd |
Late Jurassic |
|
Canninginopsis |
Canninginopsis denticulata
|
Nd |
Late Jurassic |
|
Gonyaulax |
Gonyaulax catenata
|
Nd |
Late Jurassic |
|
Gonyaulax |
Gonyaulax triacantha
|
Nd |
Late Jurassic |
|
Cyclonephelium |
Cyclonephelium eisenackii
|
Nd |
Late Jurassic |
|
Cyclonephelium |
Cyclonephelium attadalicum
|
Nd |
Late Jurassic |
|
Doidyx |
Doidyx anaphrissa
|
Nd |
Late Jurassic |
|
Areoligera |
Areoligera sp
|
Nd |
Turonian |
|
Adnatosphaeridium |
Adnatosphaeridium
|
Nd |
Cretaceous |
|
Canningia |
Canningia
|
Nd |
Cretaceous |
|