Hystrichosphaera |
Hystrichosphaera spinimarginata
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichosphaeridium |
Hystrichosphaeridium polychonion
sp. nov. |
California |
Late Berriasian |
Valanginian |
Systematophora |
Systematophora incompleta
sp. nov. |
California |
Late Berriasian |
Valanginian |
Hystrichopisidium |
Hystrichopisidium evitti
sp. nov. |
California |
Late Berriasian |
Valanginian |
Acritarch |
Acritarch sp
|
California |
Late Berriasian |
Valanginian |
Hystrichosphaera |
Hystrichosphaera furcata
|
California |
Valanginian |
Albian |
Hystrichosphaera |
Hystrichosphaera sp
|
California |
Berriasian |
Valanginian |
Ellipsoidictyum |
Ellipsoidictyum inconstans
sp. nov. |
California |
Berriasian |
Valanginian |
Pterocystidiopsis |
Pterocystidiopsis glabra
sp. nov. |
California |
Berriasian |
Valanginian |
Hystrichosphaeridium |
Hystrichosphaeridium asterigerum
|
California |
Hauterivian |
Albian |
Hystrichosphaeridium |
Hystrichosphaeridium siphoniphorum
sp. nov. |
California |
Late Albian |
|
Hystrichosphaeridium |
Hystrichosphaeridium multicalamus
sp. nov. |
California |
Late Berriasian |
Aptian |
Hystrichosphaeridium |
Hystrichosphaeridium sp. Warr.,1967
sp. nov. |
California |
Hauterivian |
Barremian |
Cooksonodinium |
Cooksonodinium centrocarpum
sp. nov. |
California |
Berriasian |
Aptian |
Systematophora |
Systematophora areolata
|
California |
Late Tithonian |
Barremian |
Systematophora |
Systematophora orbifera
|
California |
Valanginian |
Aptian |
Odontochitina |
Odontochitina operculata
|
California |
Aptian |
Albian |