Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium stimuliferum
|
England(Yorkshire) |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium stimuliferum
|
France(Calvados) |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium truncigerum
|
England(Yorkshire) |
Oxfordian |
|
Membranilarnax |
Membranilarnax ovulum
|
England(Yorkshire) |
Oxfordian |
|
Membranilarnax |
Membranilarnax ovulum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium fragile
|
England(Yorkshire) |
Callovian |
|
Micrhystridium |
Micrhystridium fragile
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium inconspicuum
|
England(Yorkshire) |
Callovian |
Oxfordian |
Micrhystridium |
Micrhystridium inconspicuum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium mendax
|
England(Yorkshire) |
Oxfordian |
|
Micrhystridium |
Micrhystridium recurvatum
|
England(Yorkshire) |
Callovian |
Oxfordian |
Micrhystridium |
Micrhystridium recurvatum
|
Nd |
Nd |
|
Micrhystridium |
Micrhystridium sp
|
England(Yorkshire) |
Oxfordian |
|
Micrhystridium |
Micrhystridium stellatum
|
England(Yorkshire) |
Early Callovian |
Early Oxfordian |
Netrelytron |
Netrelytron
|
England(Yorkshire) |
Oxfordian |
|
Netrelytron |
Netrelytron stegastum
sp. nov. |
England(Yorkshire) |
Oxfordian |
|