Homotryblium |
Homotryblium oceanicum
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Homotryblium |
Homotryblium pallidum
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Homotryblium |
Homotryblium plectilum
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Homotryblium |
Homotryblium tenuispinosum
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Homotryblium |
Homotryblium vallum
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Hystrichokolpoma |
Hystrichokolpoma rigaudiae
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Hystrichosphaeropsis |
Hystrichosphaeropsis
|
USA(Atlantic Coast.Pl.) |
Middle Miocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis obscura
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Miocene |
Impagidinium |
Impagidinium antecarcerum
sp. nov. |
Virginia |
Late Miocene |
|
Impagidinium |
Impagidinium antecarcerum
|
Virginia |
Miocene |
|
Impagidinium |
Impagidinium arachnion
sp. nov. |
Maryland |
Middle Miocene |
Late Miocene |
Impagidinium |
Impagidinium arachnion
|
Maryland |
Middle Miocene |
Late Miocene |
Labyrinthodinium |
Labyrinthodinium truncatum
|
Maryland |
Middle Miocene |
Late Miocene |
Labyrinthodinium |
Labyrinthodinium truncatum
sp. nov. |
Maryland |
Middle Miocene |
Late Miocene |
Labyrinthodinium |
Labyrinthodinium truncatum
sp. nov. |
Maryland |
Middle Miocene |
Late Miocene |
Labyrinthodinium |
Labyrinthodinium truncatum
|
Nd |
Nd |
|
Labyrinthodinium |
Labyrinthodinium truncatum
sp. nov. |
Maryland |
Middle Miocene |
|