Baltisphaeridium |
Baltisphaeridium pectiniforme
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Cordosphaeridium |
Cordosphaeridium diktyoplokum
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Diphyes |
Diphyes colligerum
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Horologinella |
Horologinella incurvata
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Leptodinium |
Leptodinium maculatum
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Leptodinium |
Leptodinium membranigerum
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |
Wetzeliella |
Wetzeliella lineidentata
|
Alaska(Peninsula) |
Middle Eocene |
Late Eocene |