Acanthaulax |
Acanthaulax spinosissima
|
England |
Callovian |
Oxfordian |
Acanthodiacrodium |
Acanthodiacrodium angustum
|
England |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium decipiens
|
England |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium ubuii
|
England |
Tremadocian |
|
Acritarchs |
Acritarchs sp
|
England |
Late Triassic |
Early Jurassic |
Adnatosphaeridium |
Adnatosphaeridium aemulum
|
England |
Late Bathonian |
|
Adnatosphaeridium |
Adnatosphaeridium apiculatum
|
England |
Portlandian |
|
Aequitriradites |
Aequitriradites spinulosus
|
England |
Purbeckian |
Ryazanian |
Aptea |
Aptea polymorpha
|
England |
Early Aptian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pungens
|
England |
Tremadocian |
|
Areosphaeridium |
Areosphaeridium diktyoplokum
|
England |
Early Eocene |
Middle Eocene |
Calamospora |
Calamospora sp
|
England |
Namurian |
Westphalian |
Callialasporites |
Callialasporites dampieri
|
England |
Middle Jurassic |
Early Cretaceous |
Cauca |
Cauca parva
|
England |
Middle Aptian |
|
Chasmatosporites |
Chasmatosporites magnolioides
|
England |
Early Jurassic |
|
Chatangiella |
Chatangiella spectabilis
|
England |
Late Turonian |
Campanian |
Chatangiella |
Chatangiella victoriensis
|
England |
Late Turonian |
Santonian |