Ceratiopsis |
Ceratiopsis diebelii
|
Maryland |
Maastrichtian |
Danian |
Cordosphaeridium |
Cordosphaeridium fibrospinosum
|
Maryland |
Maastrichtian |
Danian |
Diconodinium |
Diconodinium glabrum
|
Maryland |
Maastrichtian |
Danian |
Fromea |
Fromea chytra
|
Maryland |
Maastrichtian |
Danian |
Fromea |
Fromea fragilis
|
Maryland |
Maastrichtian |
Danian |
Horologinella |
Horologinella incurvata
|
Maryland |
Maastrichtian |
Danian |
Kallosphaeridium |
Kallosphaeridium brevibarbatum
|
Maryland |
Maastrichtian |
Danian |
Palaeotetradinium |
Palaeotetradinium caudatum
|
Maryland |
Maastrichtian |
Danian |
Exochosphaeridium |
Exochosphaeridium phragmites
|
Maryland |
Maastrichtian |
Danian |
Isabelidinium |
Isabelidinium cooksoniae
|
Maryland |
Maastrichtian |
Danian |
Trithyrodinium |
Trithyrodinium pentagonum
|
Maryland |
Maastrichtian |
Danian |
Ceratiopsis |
Ceratiopsis dartmooria
|
Maryland |
Maastrichtian |
Danian |
Chlamydophorella |
Chlamydophorella urna
|
Maryland |
Maastrichtian |
Danian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
Maryland |
Maastrichtian |
Danian |
Fibradinium |
Fibradinium annetorpense
|
Maryland |
Maastrichtian |
Danian |
Florentinia |
Florentinia laciniata
|
Maryland |
Maastrichtian |
Danian |
Fromea |
Fromea laevigata
|
Maryland |
Maastrichtian |
Danian |