Hystrichosphaeridium |
Hystrichosphaeridium breviatum
|
England |
Miocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium langii
|
England |
Hettangian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pseudorecurvatum
|
England |
Early Tertiary |
Late Tertiary |
Hystrichosphaeridium |
Hystrichosphaeridium pseudorecurvatum
|
England |
Miocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium sheppeyense
|
England |
Early Eocene |
|
Hystrichosphaeropsis |
Hystrichosphaeropsis ovum
|
England |
Late Turonian |
Santonian |
Imbatodinium |
Imbatodinium villosum
|
England |
Kimmeridgian |
Portlandian |
Kleithriasphaeridium |
Kleithriasphaeridium porosispinum
|
England |
Portlandian |
|
Kleithriasphaeridium |
Kleithriasphaeridium simplicispinum
|
England |
Early Aptian |
|
Klukisporites |
Klukisporites pseudoreticulatus
|
England |
Late Jurassic |
Early Cretaceous |
Klukisporites |
Klukisporites variegatus
|
England |
Early Jurassic |
Middle Jurassic |
Kraeuselisporites |
Kraeuselisporites reissingeri
|
England |
Late Triassic |
Early Jurassic |
Lanternosphaeridium |
Lanternosphaeridium lanosum
|
England |
Early Tertiary |
Late Tertiary |
Leiofusa |
Leiofusa sp
|
England |
Early Pliensbachian |
|
Leiofusa |
Leiofusa squama
|
England |
Tremadocian |
|
Leptodinium |
Leptodinium regale
|
England |
Late Bajocian |
Bathonian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
Nd |
Nd |
|