Exochosphaeridium |
Exochosphaeridium insigne
|
USA(Atlantic Coast.Pl.) |
Early Miocene |
|
Galea |
Galea mespilana
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
|
Geonettia |
Geonettia
|
USA(Atlantic Coast.Pl.) |
Miocene |
|
Geonettia |
Geonettia clineae
|
USA(Atlantic Coast.Pl.) |
Miocene |
|
Habibacysta |
Habibacysta tectata
|
USA(Atlantic Coast.Pl.) |
Middle Miocene |
|
Habibacysta |
Habibacysta tectata
|
USA(Atlantic Coast.Pl.) |
Middle Miocene |
|
Heteraulacacysta |
Heteraulacacysta campanula
|
USA(Atlantic Coast.Pl.) |
Miocene |
|
Homotryblium |
Homotryblium floripes
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
Homotryblium |
Homotryblium meghalayaense
|
USA(Atlantic Coast.Pl.) |
Late Oligocene |
Early Miocene |
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 |
Hystrichosphaeridium |
Hystrichosphaeridium latirictum
|
Nd |
Nd |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis
|
USA(Atlantic Coast.Pl.) |
Middle Miocene |
|