Gardodinium |
Gardodinium elongatum
|
|
Late Barremian |
|
Gonyaulacysta |
Gonyaulacysta cladophora
|
|
Late Barremian |
|
Pterospermopsis |
Pterospermopsis eurypteris
|
|
Late Barremian |
|
Pterospermopsis |
Pterospermopsis ginginensis
|
|
Early Barremian |
|
Pterospermopsis |
Pterospermopsis hartii
|
|
Late Barremian |
|
Pterospermella |
Pterospermella australiensis
|
Australia(NSW) |
Early Cretaceous |
|
Pterospermopsis |
Pterospermopsis australiensis
|
Australia(NSW) |
Early Cretaceous |
|
Pterospermopsis |
Pterospermopsis eurypteris
|
Australia(S.Australia) |
Aptian |
|
Pterospermella |
Pterospermella eurypteris
|
Australia(S.Australia) |
Aptian |
|
Pterospermopsis |
Pterospermopsis ginginensis
|
Australia(W.Australia) |
Senonian |
|
Pterospermella |
Pterospermella ginginensis
|
Australia(W.Australia) |
Senonian |
|
Pterospermella |
Pterospermella aristotelesi
|
England(Dorset) |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis aristotelesi
|
England(Dorset) |
Kimmeridgian |
|
Pterospermella |
Pterospermella hartii
|
England(Yorkshire) |
Late Oxfordian |
|
Pterospermopsis |
Pterospermopsis hartii
|
England(Yorkshire) |
Late Oxfordian |
|
Bacchidinium |
Bacchidinium polypes
|
France(Alpes,Basses) |
Barremian |
|
Batiacasphaera |
Batiacasphaera macrogranulata
|
France(Alpes,Basses) |
Late Barremian |
|