Diphyes |
Diphyes sp
|
Arizona |
Late Cenomanian |
|
Epelidosphaeridia |
Epelidosphaeridia spinosa
|
Arizona |
Early Turonian |
|
Exochosphaeridium |
Exochosphaeridium bifidum
|
Arizona |
Late Cenomanian |
Early Turonian |
Exochosphaeridium |
Exochosphaeridium phragmites
|
Arizona |
Late Cenomanian |
Early Turonian |
Florentinia |
Florentinia cooksoniae
|
Arizona |
Late Cenomanian |
|
Florentinia |
Florentinia deanei
|
Arizona |
Late Cenomanian |
|
Florentinia |
Florentinia mantellii
|
Arizona |
Late Cenomanian |
|
Xenascus |
Xenascus ceratioides
|
Arizona |
Late Cenomanian |
Early Turonian |
Florentinia |
Florentinia sp
|
Arizona |
Late Cenomanian |
|
Fromea |
Fromea amphora
|
Arizona |
Late Cenomanian |
|
Fusiformacysta |
Fusiformacysta sp
|
Arizona |
Late Cenomanian |
|
Geiselodinium |
Geiselodinium sp
|
Arizona |
Late Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta cassidata
|
Arizona |
Late Cenomanian |
Early Turonian |
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Arizona |
Late Cenomanian |
Early Turonian |
Heterosphaeridium |
Heterosphaeridium conjunctum
|
Arizona |
Late Cenomanian |
|
Hystrichodinium |
Hystrichodinium pulchrum
|
Arizona |
Late Cenomanian |
Early Turonian |
Hystrichosphaeridium |
Hystrichosphaeridium recurvatum
|
Arizona |
Late Cenomanian |
Early Turonian |