Spinidinium |
Spinidinium ornatum
|
Maryland |
Maastrichtian |
Danian |
Spinidinium |
Spinidinium sp
|
Maryland |
Danian |
|
Spiniferites |
Spiniferites hyperacanthus
|
Maryland |
Danian |
|
Spiniferites |
Spiniferites membranaceus
|
Maryland |
Maastrichtian |
Danian |
Spiniferites |
Spiniferites monilis
|
Maryland |
Maastrichtian |
Danian |
Spiniferites |
Spiniferites pseudofurcatus
|
Maryland |
Danian |
|
Spiniferites |
Spiniferites ramosus
|
Maryland |
Maastrichtian |
Danian |
Spiniferites |
Spiniferites ramosus
|
Maryland |
Maastrichtian |
Danian |
Spiniferites |
Spiniferites ramosus
|
Maryland |
Maastrichtian |
Danian |
Spiniferites |
Spiniferites ramosus
|
Maryland |
Maastrichtian |
|
Spiniferites |
Spiniferites ramosus
|
Maryland |
Danian |
|
Systematophora |
Systematophora placacantha
|
Maryland |
Maastrichtian |
Danian |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Maryland |
Maastrichtian |
|
Thalassiphora |
Thalassiphora pelagica
|
Maryland |
Danian |
|
Trichodinium |
Trichodinium hirsutum
|
Maryland |
Danian |
|
Trigonopyxidia |
Trigonopyxidia ginella
|
Maryland |
Maastrichtian |
|
Trithyrodinium |
Trithyrodinium pentagonum
|
Maryland |
Maastrichtian |
Danian |