Polysphaeridium |
Polysphaeridium pseudocolligerum
sp. nov. |
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Early Miocene |
Riculacysta |
Riculacysta
|
USA(Atlantic Coast.Pl.) |
Middle Oligocene |
Late Oligocene |
Riculacysta |
Riculacysta perforata
sp. nov. |
USA(Atlantic Coast.Pl.) |
Middle Oligocene |
Late Oligocene |
Spiniferites |
Spiniferites membranaceus
|
USA(Atlantic Coast.Pl.) |
Middle Oligocene |
Early Miocene |
Spiniferites |
Spiniferites pseudofurcatus
|
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Early Miocene |
Systematophora |
Systematophora placacantha
|
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Early Miocene |
Thalassiphora |
Thalassiphora pansa
sp. nov. |
USA(Atlantic Coast.Pl.) |
Middle Oligocene |
Late Oligocene |
Thalassiphora |
Thalassiphora pelagica
|
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Early Miocene |
Tuberculodinium |
Tuberculodinium vancampoae
|
USA(Atlantic Coast.Pl.) |
Early Miocene |
|
Wetzeliella |
Wetzeliella articulata
|
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Late Oligocene |
Wetzeliella |
Wetzeliella symmetrica
|
USA(Atlantic Coast.Pl.) |
Early Oligocene |
Early Miocene |