Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Utah |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Colorado |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium sp
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium stellatum
|
Arizona |
Late Cenomanian |
|
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
Arizona |
Late Cenomanian |
|
Isabelidinium |
Isabelidinium sp
|
Nd |
Nd |
|
Isabelidinium |
Isabelidinium sp.A
sp. nov. |
Arizona |
Late Cenomanian |
|
Kallosphaeridium |
Kallosphaeridium minus
|
Arizona |
Cretaceous |
|
Kallosphaeridium |
Kallosphaeridium sp
|
Arizona |
Late Cenomanian |
Turonian |
Kiokansium |
Kiokansium erectum
|
Nd |
Nd |
|
Kiokansium |
Kiokansium hesperus
|
Arizona |
Cretaceous |
Early Turonian |
Kiokansium |
Kiokansium polypes
|
Colorado |
Late Cenomanian |
Early Turonian |
Kiokansium |
Kiokansium polypes
|
Utah |
Late Cenomanian |
Early Turonian |
Kiokansium |
Kiokansium polypes
|
New Mexico |
Late Cenomanian |
Early Turonian |
Kiokansium |
Kiokansium polypes
|
Arizona |
Late Cenomanian |
Early Turonian |
Kiokansium |
Kiokansium sp
|
Arizona |
Late Cenomanian |
|
Kiokansium |
Kiokansium williamsii
|
Arizona |
Late Cenomanian |
|