Pterospermopsimorpha |
Pterospermopsimorpha kelar
|
Nd |
Nd |
|
Pterospermopsimorpha |
Pterospermopsimorpha mira
|
Nd |
Middle Riphean |
|
Pterospermopsimorpha |
Pterospermopsimorpha mogilevica
|
Nd |
Late Riphean |
Vendian |
Pterospermopsimorpha |
Pterospermopsimorpha ornata
|
Nd |
Nd |
|
Pterospermopsimorpha |
Pterospermopsimorpha paradoxa
|
Nd |
Early Vendian |
|
Pterospermopsimorpha |
Pterospermopsimorpha pileiformis
|
Nd |
Late Precambrian |
|
Pterospermopsimorpha |
Pterospermopsimorpha saccata
|
Nd |
Nd |
|
Pterospermopsimorpha |
Pterospermopsimorpha wolynica
|
Nd |
Early Cambrian |
|
Pterospermopsis |
Pterospermopsis
|
Nd |
Nd |
|
Pterospermopsis |
Pterospermopsis angulus
|
Nd |
Sinian |
|
Pterospermopsis |
Pterospermopsis areolata
|
Nd |
Nd |
|
Pterospermopsis |
Pterospermopsis aristotelesi
|
Nd |
Kimmeridgian |
|
Pterospermopsis |
Pterospermopsis asperata
|
Nd |
Sinian |
|
Pterospermopsis |
Pterospermopsis asperulus
|
Nd |
Nd |
|
Pterospermopsis |
Pterospermopsis aureolata
|
Nd |
Cenomanian |
Early Turonian |
Pterospermopsis |
Pterospermopsis australiensis
|
Nd |
Early Cretaceous |
|
Pterospermopsis |
Pterospermopsis barbarae
|
Nd |
Campanian |
|