Hystrichosphaeridiopsis |
Hystrichosphaeridiopsis scabra
sp. nov. |
California |
Late Tithonian |
Aptian |
Hystrichosphaeridiopsis |
Hystrichosphaeridiopsis sp
|
California |
Late Berriasian |
|
Hystrichosphaeridium |
Hystrichosphaeridium asterigerum
|
California |
Hauterivian |
Albian |
Hystrichosphaeridium |
Hystrichosphaeridium bicyclospinosum
sp. nov. |
California |
Late Tithonian |
Hauterivian |
Hystrichosphaeridium |
Hystrichosphaeridium diversitubulatum
sp. nov. |
California |
Valanginian |
|
Hystrichosphaeridium |
Hystrichosphaeridium isocalamum
|
California |
Late Tithonian |
Aptian |
Hystrichosphaeridium |
Hystrichosphaeridium multicalamus
sp. nov. |
California |
Late Berriasian |
Aptian |
Hystrichosphaeridium |
Hystrichosphaeridium polychonion
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
sp. nov. |
California |
Late Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp. Warr.,1967
sp. nov. |
California |
Valanginian |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp. Warr.,1967
sp. nov. |
California |
Hauterivian |
Barremian |
Klementia |
Klementia
|
California |
Late Tithonian |
Early Berriasian |
Klementia |
Klementia bardata
sp. nov. |
California |
Late Tithonian |
Early Berriasian |
Klementia |
Klementia spinosa
sp. nov. |
California |
Barremian |
Aptian |
Leptodiniopsis |
Leptodiniopsis
|
California |
Berriasian |
Hauterivian |
Leptodiniopsis |
Leptodiniopsis hyalodermopsis
sp. nov. |
California |
Berriasian |
Hauterivian |
Leptodiniopsis |
Leptodiniopsis sp
|
California |
Early Berriasian |
|