Tympanicysta |
Tympanicysta stoschiana
|
Greenland |
Griesbachian |
|
Reduviasporonites |
Reduviasporonites chalastus
|
Oklahoma |
Kazanian |
|
Reduviasporonites |
Reduviasporonites catenulatus
|
Oklahoma |
Guadalupian |
|
Reduviasporonites |
Reduviasporonites
|
Oklahoma |
Guadalupian |
|
Reduviasporonites |
Reduviasporonites catenulatus
|
Oklahoma |
Kazanian |
|
Reduviasporonites |
Reduviasporonites chalastus
|
Russia(Vologda) |
Griesbachian |
|
Reduviasporonites |
Reduviasporonites catenulatus
|
Russia(Vologda) |
Griesbachian |
|
Reduviasporonites |
Reduviasporonites chalastus
|
Saudi Arabia |
Late Tatarian |
|
Reduviasporonites |
Reduviasporonites catenulatus
|
Saudi Arabia |
Late Tatarian |
|