Micrhystridium |
Micrhystridium exilium
|
Europe |
Hettangian |
Early Sinemurian |
Micrhystridium |
Micrhystridium fragile
|
Europe |
Hettangian |
Early Sinemurian |
Micrhystridium |
Micrhystridium rarispinum
|
Europe |
Hettangian |
Early Sinemurian |
Micrhystridium |
Micrhystridium stellatum
|
Europe |
Hettangian |
Early Sinemurian |
Micrhystridium |
Micrhystridium wattonense
|
Europe |
Hettangian |
Early Sinemurian |
Veryhachium |
Veryhachium trispinosum
|
Europe |
Hettangian |
Early Sinemurian |
Tasmanites |
Tasmanites punctatus
|
Europe |
Early Toarcian |
|
Veryhachium |
Veryhachium reductum
|
Europe |
Hettangian |
Early Sinemurian |
Cymatiosphaera |
Cymatiosphaera pachytheca
|
Europe |
Early Toarcian |
|
Baltisphaeridium |
Baltisphaeridium micropunctatum
|
Europe |
Hettangian |
Early Sinemurian |
Prasinophyta |
Prasinophyta sp
|
Europe |
Early Toarcian |
|
Leiosphaerids |
Leiosphaerids sp
|
Europe |
Sinemurian |
Toarcian |
Baltisphaeridium |
Baltisphaeridium debilispinum
|
Europe |
Hettangian |
Early Sinemurian |
Baltisphaeridium |
Baltisphaeridium delicatum
|
Europe |
Hettangian |
Early Sinemurian |
Baltisphaeridium |
Baltisphaeridium diversispinosum
|
Europe |
Hettangian |
Early Sinemurian |