Achomosphaera |
Achomosphaera ramulifera
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Cannosphaeropsis |
Cannosphaeropsis utinensis
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Coronifera |
Coronifera oceanica
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Coronifera |
Coronifera striolata
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Cyclonephelium |
Cyclonephelium distinctum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Dapsilidinium |
Dapsilidinium pumilum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Exochosphaeridium |
Exochosphaeridium bifidum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Glaphyrocysta |
Glaphyrocysta ordinata
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Hystrichodinium |
Hystrichodinium pulchrum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Hystrichosphaeridium |
Hystrichosphaeridium tubiferum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Kleithriasphaeridium |
Kleithriasphaeridium truncatum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Membranilarnacia |
Membranilarnacia leptoderma
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Oligosphaeridium |
Oligosphaeridium anthophorum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Oligosphaeridium |
Oligosphaeridium complex
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Palaeoperidinium |
Palaeoperidinium pyrophorum
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |
Paralecaniella |
Paralecaniella indentata
|
USA(Atlantic Coast) |
Late Campanian |
Early Maastrichtian |