Achilleodinium |
Achilleodinium biformoides
|
Maryland |
Middle Ypresian |
Late Ypresian |
Achomosphaera |
Achomosphaera crassipellis
|
Maryland |
Middle Ypresian |
Late Ypresian |
Adnatosphaeridium |
Adnatosphaeridium multispinosum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Apteodinium |
Apteodinium australiense
|
Maryland |
Middle Ypresian |
Late Ypresian |
Areoligera |
Areoligera senonensis
|
Maryland |
Middle Ypresian |
Late Ypresian |
Biconidinium |
Biconidinium longissimum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Ceratiopsis |
Ceratiopsis wardenensis
|
Maryland |
Middle Ypresian |
Late Ypresian |
Cleistosphaeridium |
Cleistosphaeridium diversispinosum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Cordosphaeridium |
Cordosphaeridium callosum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Deflandrea |
Deflandrea phosphoritica
|
Maryland |
Middle Ypresian |
Late Ypresian |
Diphyes |
Diphyes colligerum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Eocladopyxis |
Eocladopyxis peniculata
|
Maryland |
Middle Ypresian |
Late Ypresian |
Fibrocysta |
Fibrocysta lappacea
|
Maryland |
Middle Ypresian |
Late Ypresian |
Homotryblium |
Homotryblium caliculum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Homotryblium |
Homotryblium tasmaniense
|
Maryland |
Middle Ypresian |
Late Ypresian |
Homotryblium |
Homotryblium tenuispinosum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Hystrichokolpoma |
Hystrichokolpoma torquatum
|
Maryland |
Middle Ypresian |
Late Ypresian |