Santalacites |
Santalacites minor
|
Texas |
Campanian |
|
Senoniasphaera |
Senoniasphaera protrusa
|
Texas |
Santonian |
Campanian |
Silicisphaera |
Silicisphaera ferox
|
Texas |
Santonian |
|
Spinidinium |
Spinidinium densispinatum
|
Texas |
Late Santonian |
|
Spinidinium |
Spinidinium echinoideum
|
Texas |
Santonian |
Campanian |
Spinidinium |
Spinidinium lanterna
|
Texas |
Late Santonian |
|
Spiniferites |
Spiniferites compactus
|
Texas |
Campanian |
|
Spiniferites |
Spiniferites ramosus
|
Texas |
Santonian |
Maestrichtian |
Spiniferites |
Spiniferites ramosus
|
Texas |
Santonian |
Maestrichtian |
Spiniferites |
Spiniferites ramosus
|
Texas |
Santonian |
Maestrichtian |
Spiniferites |
Spiniferites ramosus
|
Texas |
Santonian |
Maestrichtian |
Spiniferites |
Spiniferites supparus
|
Texas |
Santonian |
Maestrichtian |
Spongodinium |
Spongodinium delitiense
|
Texas |
Santonian |
Campanian |
Striatopollis |
Striatopollis sp
|
Texas |
Early Campanian |
|
Subtilisphaera |
Subtilisphaera cheit
|
Texas |
Campanian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
Texas |
Santonian |
Maestrichtian |
Tanyosphaeridium |
Tanyosphaeridium regulare
|
Texas |
Santonian |
Maestrichtian |