Gonyaulax |
Gonyaulax jurassica
|
England(Yorkshire) |
Callovian |
Oxfordian |
Gonyaulax |
Gonyaulax cladophora
|
England(Yorkshire) |
Callovian |
Oxfordian |
Baltisphaeridium |
Baltisphaeridium fimbriatum
|
England(Yorkshire) |
Callovian |
Oxfordian |
Cannosphaeropsis |
Cannosphaeropsis caulleryi
|
England(Yorkshire) |
Callovian |
Oxfordian |
Micrhystridium |
Micrhystridium inconspicuum
|
England(Yorkshire) |
Callovian |
Oxfordian |
Micrhystridium |
Micrhystridium recurvatum
|
England(Yorkshire) |
Callovian |
Oxfordian |
Gonyaulax |
Gonyaulax jurassica
|
England(Yorkshire) |
Early Oxfordian |
|
Gonyaulax |
Gonyaulax acanthosphaera
sp. nov. |
England(Yorkshire) |
Oxfordian |
|
Gonyaulax |
Gonyaulax areolata
sp. nov. |
England(Yorkshire) |
Early Callovian |
Oxfordian |
Gonyaulax |
Gonyaulax sp
|
England(Yorkshire) |
Oxfordian |
|
Scriniodinium |
Scriniodinium crystallinum
|
England(Yorkshire) |
Oxfordian |
|
Scriniodinium |
Scriniodinium galeritum
|
England(Yorkshire) |
Oxfordian |
|
Pareodinia |
Pareodinia ceratophora
|
England(Yorkshire) |
Oxfordian |
|
Pareodinia |
Pareodinia ceratophora
|
England(Yorkshire) |
Early Callovian |
Early Oxfordian |
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
England(Yorkshire) |
Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium truncigerum
|
England(Yorkshire) |
Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium stimuliferum
|
England(Yorkshire) |
Oxfordian |
|