Leiosphaeridia |
Leiosphaeridia asymmetrica
sp. nov. |
Canada(W.Canada) |
Late Bajocian |
Kimmeridgian |
Leiosphaeridia |
Leiosphaeridia eisenackii
sp. nov. |
Canada(W.Canada) |
Callovian |
|
Leiosphaeridia |
Leiosphaeridia granulosa
sp. nov. |
Canada(W.Canada) |
Early Jurassic |
Callovian |
Leiosphaeridia |
Leiosphaeridia hyalina
|
Canada(W.Canada) |
Jurassic |
|
Leiosphaeridia |
Leiosphaeridia minutaespinosa
sp. nov. |
Canada(W.Canada) |
Late Bajocian |
|
Leiosphaeridia |
Leiosphaeridia sarjeantii
sp. nov. |
Canada(W.Canada) |
Jurassic |
|
Leiosphaeridia |
Leiosphaeridia sp.A
sp. nov. |
Canada(W.Canada) |
Jurassic |
|
Leiosphaeridia |
Leiosphaeridia spongiosa
sp. nov. |
Canada(W.Canada) |
Jurassic |
|
Leiosphaeridia |
Leiosphaeridia staplini
sp. nov. |
Canada(W.Canada) |
Early Jurassic |
Bajocian |
Leiosphaeridia |
Leiosphaeridia tangentensis
sp. nov. |
Canada(W.Canada) |
Early Jurassic |
|
Leiosphaeridia |
Leiosphaeridia variabilis
sp. nov. |
Canada(W.Canada) |
Early Bajocian |
|
Leptodinium |
Leptodinium norrisii
sp. nov. |
Canada(W.Canada) |
Callovian |
|
Lophodictyotidium |
Lophodictyotidium
|
Canada(W.Canada) |
Kimmeridgian |
|
Lophodictyotidium |
Lophodictyotidium sarjeantii
sp. nov. |
Canada(W.Canada) |
Late Bajocian |
|
Micrhystridium |
Micrhystridium deflandrei
|
Canada(W.Canada) |
Late Bajocian |
|
Micrhystridium |
Micrhystridium deflandrei
|
France(Normandie) |
Bajocian |
Bathonian |
Micrhystridium |
Micrhystridium echinoides
|
Canada(W.Canada) |
Late Bajocian |
|