Cannosphaeropsis |
Cannosphaeropsis sp.B
sp. nov. |
Alaska |
Late Oligocene |
Late Neogene |
Nematosphaeropsis |
Nematosphaeropsis sp.B Will.& Brid.,1975
sp. nov. |
Alaska |
Late Oligocene |
Late Neogene |
Quinquecuspis |
Quinquecuspis concreta
|
Alaska |
Pleistocene |
|
Halodinium |
Halodinium
|
Alaska |
Pleistocene |
|
Halodinium |
Halodinium majus
sp. nov. |
Alaska |
Pleistocene |
|
Halodinium |
Halodinium minus
sp. nov. |
Alaska |
Pleistocene |
|
Spiniferites |
Spiniferites frigidus
|
Alaska |
Late Pleistocene |
|
Rottnestia |
Rottnestia amphicavata
|
Alaska |
Late Pleistocene |
|
Beringiella |
Beringiella
|
Alaska |
Late Pleistocene |
|
Beringiella |
Beringiella fritilla
sp. nov. |
Alaska |
Late Pleistocene |
|
Spiniferites |
Spiniferites ovatus
sp. nov. |
Alaska |
Late Miocene |
Early Pliocene |
Trinovantedinium |
Trinovantedinium sabrina
|
Nd |
Nd |
|
Lejeunecysta |
Lejeunecysta sabrina
|
Nd |
Nd |
|
Trinovantedinium |
Trinovantedinium
|
S.Ireland(Wexford) |
Recent |
|