Schizophacus |
Schizophacus parvus
|
North America |
Berriasian |
Albian |
Schizophacus |
Schizophacus parvus
|
Worldwide |
Berriasian |
Cenomanian |
Schizophacus |
Schizophacus parvus
|
Canada(Alberta) |
Late Hauterivian |
Early Barremian |
Schizophacus |
Schizophacus parvus
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Schizophacus |
Schizophacus parvus
|
North America |
Berriasian |
Albian |
Schizophacus |
Schizophacus rugulatus
|
North America |
Late Valanginian |
Aptian |
Schizophacus |
Schizophacus rugulatus
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Schizophacus |
Schizophacus rugulatus
|
North America |
Albian |
|
Schizophacus |
Schizophacus spriggii
|
Worldwide |
Berriasian |
Cenomanian |
Schizophacus |
Schizophacus spriggii
|
North America |
Berriasian |
Albian |
Schizophacus |
Schizophacus spriggii
|
North America |
Barremian |
Early Aptian |
Schizophacus |
Schizophacus spriggii
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Schizosporis |
Schizosporis reticulatus
|
North America |
Berriasian |
Middle Albian |
Schizosporis |
Schizosporis reticulatus
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Sequoiapollenites |
Sequoiapollenites pusillus
|
North America |
Albian |
|
Sestrosporites |
Sestrosporites pseudoalveolatus
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Sestrosporites |
Sestrosporites pseudoalveolatus
|
North America |
Berriasian |
Albian |