Alterbia |
Alterbia minor
sp. nov. |
Wyoming |
Campanian |
|
Deflandrea |
Deflandrea minor
|
Wyoming |
Campanian |
|
Ceratiopsis |
Ceratiopsis pannucea
sp. nov. |
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella ditissima
sp. nov. |
Wyoming |
Campanian |
|
Deflandrea |
Deflandrea decorosa
|
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella hexapyelos
sp. nov. |
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella madura
|
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella spectabilis
sp. nov. |
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella tripartita
sp. nov. |
Wyoming |
Campanian |
|
Chatangiella |
Chatangiella victoriensis
sp. nov. |
Wyoming |
Campanian |
|
Australiella |
Australiella victoriensis
|
Wyoming |
Campanian |
|
Isabelidinium |
Isabelidinium cooksoniae
|
Wyoming |
Campanian |
|
Deflandrea |
Deflandrea cooksoniae
|
Wyoming |
Campanian |
|
Australiella |
Australiella cooksoniae
|
Wyoming |
Campanian |
|
Spinidinium |
Spinidinium clavus
|
Wyoming |
Campanian |
|
Spinidinium |
Spinidinium echinoideum
sp. nov. |
Wyoming |
Campanian |
|
Deflandrea |
Deflandrea echinoidea
|
Wyoming |
Campanian |
|