Cyclonephelium |
Cyclonephelium distinctum
|
Wyoming |
Campanian |
|
Pterospermopsis |
Pterospermopsis australiensis
|
Wyoming |
Campanian |
|
Alterbidinium |
Alterbidinium acutulum
|
Wyoming |
Campanian |
|
Laciniadinium |
Laciniadinium firmum
|
Wyoming |
Campanian |
|
Palambages |
Palambages morulosa
|
Wyoming |
Campanian |
|
Achomosphaera |
Achomosphaera ramulifera
|
Wyoming |
Campanian |
|
Membranosphaera |
Membranosphaera maastrichtica
|
Wyoming |
Campanian |
|
Spongodinium |
Spongodinium delitiense
|
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella victoriensis
|
Wyoming |
Campanian |
|
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Wyoming |
Campanian |
|
Cribroperidinium |
Cribroperidinium orthoceras
|
Wyoming |
Campanian |
|
Dinogymnium |
Dinogymnium albertii
|
Wyoming |
Campanian |
|
Chlamydophorella |
Chlamydophorella nyei
|
Wyoming |
Campanian |
|
Oligosphaeridium |
Oligosphaeridium complex
|
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella madura
|
Wyoming |
Campanian |
|
Pilula |
Pilula penita
|
Wyoming |
Campanian |
|
Spinidinium |
Spinidinium clavus
|
Wyoming |
Campanian |
|