Senegalinium |
Senegalinium laevigatum
|
South Carolina |
Late Campanian |
Maestrichtian |
Senoniasphaera |
Senoniasphaera sp.A
sp. nov. |
South Carolina |
Campanian |
|
Senoniasphaera |
Senoniasphaera sp.B
sp. nov. |
South Carolina |
Early Maestrichtian |
|
Sentusidinium |
Sentusidinium sp
|
Wyoming |
Bajocian |
Early Oxfordian |
Sirmiodinium |
Sirmiodinium grossii
|
Wyoming |
Callovian |
|
Spinidinium |
Spinidinium densispinatum
|
South Carolina |
Late Campanian |
Early Maestrichtian |
Spinidinium |
Spinidinium echinoideum
|
South Carolina |
Campanian |
|
Spinidinium |
Spinidinium microceratum
|
South Carolina |
Campanian |
Early Maestrichtian |
Spinidinium |
Spinidinium ornatum
|
South Carolina |
Campanian |
|
Spiniferites |
Spiniferites fluens
|
South Carolina |
Late Maestrichtian |
|
Spiniferites |
Spiniferites multibrevis
|
South Carolina |
Campanian |
Maestrichtian |
Spiniferites |
Spiniferites ramosus
|
South Carolina |
Late Maestrichtian |
|
Spiniferites |
Spiniferites ramosus
|
South Carolina |
Late Maestrichtian |
|
Spongodinium |
Spongodinium delitiense
|
South Carolina |
Late Campanian |
Early Maestrichtian |
Stephanelytron |
Stephanelytron redcliffense
|
Wyoming |
Callovian |
|
Subtilisphaera |
Subtilisphaera sp
|
South Carolina |
Campanian |
|
Systematophora |
Systematophora placacantha
|
South Carolina |
Late Maestrichtian |
|