Escharisphaeridia |
Escharisphaeridia sp
|
Canada(Arctic) |
Santonian |
Campanian |
Escharisphaeridia |
Escharisphaeridia sp
|
Canada(Arctic) |
Santonian |
Campanian |
Escharisphaeridia |
Escharisphaeridia sp
|
Canada(Arctic) |
Santonian |
Campanian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
Canada(Arctic) |
Santonian |
Early Maastrichtian |
Exochosphaeridium |
Exochosphaeridium striolatum
|
Canada(Arctic) |
Early Paleocene |
|
Exochosphaeridium |
Exochosphaeridium striolatum
|
Canada(Arctic) |
Santonian |
Maastrichtian |
Fibrocysta |
Fibrocysta vectensis
|
Canada(Arctic) |
Santonian |
Early Paleocene |
Florentinia |
Florentinia mantellii
|
Canada(Arctic) |
Early Paleocene |
|
Florentinia |
Florentinia mantellii
|
Canada(Arctic) |
Santonian |
Maastrichtian |
Florentinia |
Florentinia sp
|
Canada(Arctic) |
Santonian |
Campanian |
Florentinia |
Florentinia sp
|
Canada(Arctic) |
Santonian |
Campanian |
Fromea |
Fromea chytra
|
Canada(Arctic) |
Early Paleocene |
|
Fromea |
Fromea chytra
|
Canada(Arctic) |
Santonian |
Campanian |
Fromea |
Fromea fragilis
|
Canada(Arctic) |
Santonian |
Early Paleocene |
Fromea |
Fromea fragilis
|
Canada(Arctic) |
Early Paleocene |
|
Gillinia |
Gillinia hymenophora
|
Canada(Arctic) |
Santonian |
Campanian |
Glaphyrocysta |
Glaphyrocysta ordinata
|
Canada(Arctic) |
Early Paleocene |
|