Micrhystridium |
Micrhystridium inconspicuum
|
England(Yorkshire) |
Late Permian |
Late Cretaceous |
Micrhystridium |
Micrhystridium inconspicuum
|
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium nannacanthum
|
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium nannacanthum
|
England(Yorkshire) |
Bathonian |
|
Micrhystridium |
Micrhystridium piveteaui
|
England(Yorkshire) |
Bathonian |
|
Micrhystridium |
Micrhystridium polyedricum
|
England(Yorkshire) |
Aalenian |
Middle Oxfordian |
Micrhystridium |
Micrhystridium rarispinum
|
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium rarispinum
|
England(Yorkshire) |
Liassic |
Late Oxfordian |
Micrhystridium |
Micrhystridium recurvatum
|
England(Yorkshire) |
Bajocian |
Middle Kimmeridgian |
Micrhystridium |
Micrhystridium recurvatum
|
England(Yorkshire) |
Bajocian |
Middle Kimmeridgian |
Micrhystridium |
Micrhystridium recurvatum
|
England(Yorkshire) |
Bajocian |
Bathonian |
Micrhystridium |
Micrhystridium rhopalicum
|
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium scutospinum
|
England(Yorkshire) |
Bathonian |
|
Micrhystridium |
Micrhystridium sp.A
sp. nov. |
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium sp.B
sp. nov. |
England(Yorkshire) |
Bathonian |
|
Micrhystridium |
Micrhystridium sydus
|
England(Yorkshire) |
Middle Callovian |
|
Micrhystridium |
Micrhystridium sydus
|
England(Yorkshire) |
Bajocian |
Early Kimmeridgian |