Pterocystidiopsis |
Pterocystidiopsis ornata
|
Nd |
Late Cretaceous |
|
Pterocystidiopsis |
Pterocystidiopsis stephaniana
|
Nd |
Cenomanian |
|
Pterocystidiopsis |
Pterocystidiopsis treptensis
|
Nd |
Late Oxfordian |
|
Pterocystidiopsis |
Pterocystidiopsis velata
|
Nd |
Early Tertiary |
|
Pteroidea |
Pteroidea
|
Nd |
Nd |
|
Pteroidea |
Pteroidea rosella
|
Nd |
Ludlovian |
|
Pterospermella |
Pterospermella
|
Nd |
Nd |
|
Pterospermella |
Pterospermella atekmarta
|
Nd |
Late Gedinnian |
|
Pterospermella |
Pterospermella aureolata
|
Nd |
Cenomanian |
Early Turonian |
Pterospermella |
Pterospermella australiensis
|
Nd |
Early Cretaceous |
|
Pterospermella |
Pterospermella barbarae
|
Nd |
Campanian |
|
Pterospermella |
Pterospermella bernardinae
|
Nd |
Emsian |
|
Pterospermella |
Pterospermella brasiliensis
|
Nd |
Late Devonian |
|
Pterospermella |
Pterospermella capitana
|
Nd |
Late Devonian |
|
Pterospermella |
Pterospermella carminae
|
Nd |
Middle Siegenian |
Emsian |
Pterospermella |
Pterospermella castellaroii
|
Nd |
Early Tertiary |
|
Pterospermella |
Pterospermella centrata
|
Nd |
Albian |
Cenomanian |