Retitriletes |
Retitriletes reticulumsporites
|
North America |
Berriasian |
Albian |
Retitriletes |
Retitriletes reticulumsporites
|
Canada(Alberta) |
Late Aptian |
Early Albian |
Retitriletes |
Retitriletes reticulumsporites
|
Canada(Alberta) |
Late Aptian |
Early Albian |
Retitriletes |
Retitriletes singhii
|
Canada(Alberta) |
Late Barremian |
Early Albian |
Retitriletes |
Retitriletes singhii
|
North America |
Late Berriasian |
Albian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Montana |
Late Barremian |
Early Aptian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Montana |
Jurassic |
Albian |
Rousea |
Rousea georgensis
|
North America |
Middle Albian |
Late Albian |
Rousea |
Rousea prosimilis
|
North America |
Middle Albian |
Late Albian |
Rugubivesiculites |
Rugubivesiculites reductus
|
North America |
Albian |
|
Rugubivesiculites |
Rugubivesiculites rugosus
|
North America |
Late Berriasian |
Albian |
Saxetia |
Saxetia kiamichola
|
North America |
Albian |
|
Schizophacus |
Schizophacus cooksoniae
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Schizophacus |
Schizophacus cooksoniae
|
North America |
Berriasian |
Early Albian |
Schizophacus |
Schizophacus grandis
|
Nd |
Nd |
|
Schizophacus |
Schizophacus grandis
|
Worldwide |
Berriasian |
Cenomanian |
Schizophacus |
Schizophacus grandis
|
North America |
Berriasian |
Albian |