Impletosphaeridium |
Impletosphaeridium rugosum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Kallosphaeridium |
Kallosphaeridium brevibarbatum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Kisselevia |
Kisselevia coleothrypta
|
Maryland |
Middle Ypresian |
Late Ypresian |
Lingulodinium |
Lingulodinium machaerophorum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Millioudodinium |
Millioudodinium giuseppei
|
Maryland |
Middle Ypresian |
Late Ypresian |
Muratodinium |
Muratodinium fimbriatum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Palaeocystodinium |
Palaeocystodinium golzowense
|
Maryland |
Middle Ypresian |
Late Ypresian |
Paucisphaeridium |
Paucisphaeridium inversibuccinum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Phthanoperidinium |
Phthanoperidinium resistente
|
Maryland |
Middle Ypresian |
Late Ypresian |
Rottnestia |
Rottnestia borussica
|
Maryland |
Middle Ypresian |
Late Ypresian |
Senegalinium |
Senegalinium asymmetricum
|
Maryland |
Middle Ypresian |
Late Ypresian |
Senegalinium |
Senegalinium dilwynense
|
Maryland |
Middle Ypresian |
Late Ypresian |
Spinidinium |
Spinidinium macmurdoense
|
Maryland |
Middle Ypresian |
Late Ypresian |
Spinidinium |
Spinidinium sp. Good.,1979
sp. nov. |
Maryland |
Middle Ypresian |
Late Ypresian |
Spiniferites |
Spiniferites pseudofurcatus
|
Maryland |
Middle Ypresian |
Late Ypresian |
Spiniferites |
Spiniferites supparus
|
Maryland |
Middle Ypresian |
Late Ypresian |
Systematophora |
Systematophora placacantha
|
Maryland |
Middle Ypresian |
Late Ypresian |