Psaligonyaulax |
Psaligonyaulax apatela
|
New Guinea(Papua) |
Oxfordian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
Australia(W.Australia) |
Kimmeridgian |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
Australia(W.Australia) |
Late Kimmeridgian |
Portlandian |
Pterospermopsis |
Pterospermopsis australiensis
|
England |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis australiensis
|
France |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis barbarae
|
Poland |
Oxfordian |
|
Pterospermopsis |
Pterospermopsis goslarensis
|
Germany |
Toarcian |
|
Pterospermopsis |
Pterospermopsis hartii
|
England |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis hartii
|
France |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis helios
|
England |
Pliensbachian |
|
Pterospermopsis |
Pterospermopsis helios
|
England |
Toarcian |
|
Pterospermopsis |
Pterospermopsis helios
|
England |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis helios
|
England |
Oxfordian |
|
Pterospermopsis |
Pterospermopsis helios
|
France |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis helios
|
France |
Callovian |
|
Pterospermopsis |
Pterospermopsis helios
|
France |
Oxfordian |
|
Pterospermopsis |
Pterospermopsis helios
|
Germany |
Pliensbachian |
|