Isabelidinium |
Isabelidinium acuminatum
|
Canada |
Late Cretaceous |
|
Isabelidinium |
Isabelidinium amphiatum
|
Canada |
Late Cretaceous |
|
Isabelidinium |
Isabelidinium microarmum
|
Canada |
Late Cretaceous |
|
Jubatasphaera |
Jubatasphaera dispariluma
|
Oklahoma |
Early Devonian |
|
Kalyptea |
Kalyptea stegasta
|
Alaska |
Jurassic |
|
Kenleyia |
Kenleyia lophophora
|
Australia |
Paleocene |
|
Kisselevia |
Kisselevia coleothrypta
|
New Zealand |
Eocene |
|
Kleithriasphaeridium |
Kleithriasphaeridium readei
|
France |
Late Cretaceous |
|
Laciniadinium |
Laciniadinium orbiculatum
|
Canada |
Late Cretaceous |
|
Lacunalites |
Lacunalites sphaericus
|
Saudi Arabia |
Mississippian |
|
Leiofusa |
Leiofusa granulacutis
|
New York |
Middle Gothlandian |
|
Leiofusa |
Leiofusa rhikne
|
New York |
Middle Gothlandian |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Oklahoma |
Middle Ordovician |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Oklahoma |
Late Ordovician |
|
Lejeunia |
Lejeunia kozlowskii
|
Canada |
Late Cretaceous |
|
Leptodinium |
Leptodinium aculeatum
|
Caribbean |
Pleistocene |
|
Leptodinium |
Leptodinium hyalodermopse
|
Australia |
Early Cretaceous |
|