Adnatosphaeridium |
Adnatosphaeridium aemulum
|
North Dakota |
Oxfordian |
|
Chytroeisphaeridia |
Chytroeisphaeridia cerastes
|
North Dakota |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
North Dakota |
Oxfordian |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
North Dakota |
Oxfordian |
|
Scriniodinium |
Scriniodinium crystallinum
|
North Dakota |
Oxfordian |
|
Scriniodinium |
Scriniodinium galeritum
|
North Dakota |
Oxfordian |
|
Stephanelytron |
Stephanelytron redcliffense
|
North Dakota |
Oxfordian |
|
Tubotuberella |
Tubotuberella eisenackii
|
North Dakota |
Oxfordian |
|
Wanaea |
Wanaea fimbriata
|
North Dakota |
Oxfordian |
|