Subtilisphaera |
Subtilisphaera cheit
|
Texas |
Campanian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
Texas |
Santonian |
Maestrichtian |
Tanyosphaeridium |
Tanyosphaeridium regulare
|
Texas |
Santonian |
Maestrichtian |
Thalassiphora |
Thalassiphora bononiensis
|
Texas |
Early Maestrichtian |
|
Triblastula |
Triblastula utinensis
|
Texas |
Campanian |
|
Trichodinium |
Trichodinium castanea
|
Texas |
Santonian |
Maestrichtian |
Trigonopyxidia |
Trigonopyxidia ginella
|
Texas |
Santonian |
Maestrichtian |
Trithyrodinium |
Trithyrodinium druggii
|
Texas |
Santonian |
Campanian |
Trithyrodinium |
Trithyrodinium evittii
|
Texas |
Santonian |
Maestrichtian |
Wallodinium |
Wallodinium luna
|
Texas |
Late Maestrichtian |
|
Xenascus |
Xenascus ceratioides
|
Texas |
Santonian |
Maestrichtian |
Xenascus |
Xenascus gochtii
|
Texas |
Late Campanian |
|
Baltisphaeridium |
Baltisphaeridium crameri
|
Texas |
Santonian |
Campanian |
Baltisphaeridium |
Baltisphaeridium infulatum
|
Texas |
Santonian |
Campanian |
Horologinella |
Horologinella extrema
|
Texas |
Santonian |
|
Micrhystridium |
Micrhystridium exilium
|
Texas |
Santonian |
|
Palambages |
Palambages morulosa
|
Texas |
Campanian |
Maestrichtian |