Dinogymnium |
Dinogymnium lanceolatum
|
Texas |
Campanian |
Maestrichtian |
Dinogymnium |
Dinogymnium microgranulosum
|
Texas |
Santonian |
Campanian |
Dinogymnium |
Dinogymnium nelsonense
|
Texas |
Campanian |
|
Dinogymnium |
Dinogymnium rigaudiae
|
Texas |
Late Campanian |
|
Dinogymnium |
Dinogymnium sibiricum
|
Texas |
Santonian |
Campanian |
Dinogymnium |
Dinogymnium sphaerocephalum
|
Texas |
Late Campanian |
|
Exochosphaeridium |
Exochosphaeridium bifidum
|
Texas |
Santonian |
Maestrichtian |
Exochosphaeridium |
Exochosphaeridium muelleri
|
Texas |
Late Campanian |
|
Exochosphaeridium |
Exochosphaeridium phragmites
|
Texas |
Santonian |
|
Florentinia |
Florentinia clavigera
|
Texas |
Campanian |
|
Florentinia |
Florentinia cooksoniae
|
Texas |
Santonian |
Early Campanian |
Florentinia |
Florentinia laciniata
|
Texas |
Santonian |
Early Campanian |
Florentinia |
Florentinia mantellii
|
Texas |
Santonian |
Campanian |
Florentinia |
Florentinia resex
|
Texas |
Santonian |
Maestrichtian |
Florentinia |
Florentinia stellata
|
Texas |
Santonian |
Early Campanian |
Fromea |
Fromea amphora
|
Texas |
Santonian |
Maestrichtian |
Fromea |
Fromea apiculata
|
Texas |
Santonian |
Maestrichtian |