Hystrichogonyaulax |
Hystrichogonyaulax regalis
|
USA(Eastern Offshore) |
Bathonian |
Callovian |
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
USA(Eastern Offshore) |
Barremian |
Aptian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
USA(Eastern Offshore) |
Late Albian |
Early Cenomanian |
Muderongia |
Muderongia mcwhaei
|
USA(Eastern Offshore) |
Late Barremian |
Aptian |
Muderongia |
Muderongia perforata
|
USA(Eastern Offshore) |
Berriasian |
Barremian |
Muderongia |
Muderongia simplex
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Barremian |
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
USA(Eastern Offshore) |
Albian |
Cenomanian |
Pareodinia |
Pareodinia prolongata
|
USA(Eastern Offshore) |
Bathonian |
Callovian |
Pseudoceratium |
Pseudoceratium pelliferum
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Barremian |
Scriniodinium |
Scriniodinium luridum
|
USA(Eastern Offshore) |
Bathonian |
Callovian |
Senoniasphaera |
Senoniasphaera jurassica
|
USA(Eastern Offshore) |
Kimmeridgian |
Tithonian |
Spinidinium |
Spinidinium vestitum
|
USA(Eastern Offshore) |
Albian |
Cenomanian |
Subtilisphaera |
Subtilisphaera pirnaensis
|
USA(Eastern Offshore) |
Berriasian |
Early Albian |
Systematophora |
Systematophora expatiata
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Hauterivian |
Systematophora |
Systematophora sp
|
USA(Eastern Offshore) |
Bathonian |
Early Barremian |
Wanaea |
Wanaea clathrata
|
USA(Eastern Offshore) |
Bathonian |
Callovian |
Wanaea |
Wanaea digitata
|
USA(Eastern Offshore) |
Bathonian |
Callovian |