Alsophila |
Alsophila arcuata
|
Eurasia |
Middle Jurassic |
Early Tertiary |
Alsophila |
Alsophila arcuata
|
North America |
Middle Jurassic |
Early Tertiary |
Alsophila |
Alsophila arcuata
|
Australia |
Middle Jurassic |
Early Tertiary |
Calymella |
Calymella dicarpa
|
Nd |
Nd |
|
Calymella |
Calymella vulcanica
|
Nd |
Nd |
|
Cingulatisporites |
Cingulatisporites pseudoneddeni
|
Eurasia |
Middle Jurassic |
Early Tertiary |
Cingulatisporites |
Cingulatisporites pseudoneddeni
|
North America |
Middle Jurassic |
Early Tertiary |
Cingulatisporites |
Cingulatisporites pseudoneddeni
|
Australia |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes interruptus
|
Eurasia |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes interruptus
|
North America |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes interruptus
|
Australia |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes parvicingulus
|
Eurasia |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes parvicingulus
|
North America |
Middle Jurassic |
Early Tertiary |
Cingutriletes |
Cingutriletes parvicingulus
|
Australia |
Middle Jurassic |
Early Tertiary |
Clavifera |
Clavifera crassiuscula
sp. nov. |
USSR |
Aptian |
|
Clavifera |
Clavifera crassiuscula
sp. nov. |
USSR(Urals) |
Albian |
Cenomanian |
Clavifera |
Clavifera jachromensis
sp. nov. |
USSR |
Aptian |
|