Cingulatisporites |
Cingulatisporites saevus
|
China(Shensi) |
Jurassic |
|
Cingulatisporites |
Cingulatisporites scabratus
|
China(Shensi) |
Jurassic |
|
Circulina |
Circulina parva
|
China(Shensi) |
Jurassic |
|
Circulina |
Circulina parva
|
Maryland |
Early Cretaceous |
|
Classopollis |
Classopollis annulatus
|
China(Shensi) |
Jurassic |
|
Classopollis |
Classopollis classoides
|
China(Shensi) |
Jurassic |
|
Classopollis |
Classopollis itunensis
|
China(Shensi) |
Jurassic |
|
Classopollis |
Classopollis parvus
|
China(Shensi) |
Jurassic |
|
Classopollis |
Classopollis parvus
|
Maryland |
Early Cretaceous |
|
Classopollis |
Classopollis pflugii
|
China(Shensi) |
Jurassic |
|
Classopollis |
Classopollis sp
|
China(Shensi) |
Jurassic |
|
Concavisporites |
Concavisporites infirmus
|
China(Shensi) |
Jurassic |
|
Concavisporites |
Concavisporites infirmus
|
Australia(W.Australia) |
Neocomian |
Aptian |
Concavisporites |
Concavisporites jurienensis
|
China(Shensi) |
Jurassic |
|
Concavisporites |
Concavisporites jurienensis
|
Australia(W.Australia) |
Early Jurassic |
Oxfordian |
Concavisporites |
Concavisporites verrucosus
|
China(Shensi) |
Jurassic |
|
Concavissimisporites |
Concavissimisporites gibberulum
|
China(Shensi) |
Jurassic |
|