Impardecispora |
Impardecispora tribotrys
|
North America |
Late Hauterivian |
Albian |
Impardecispora |
Impardecispora trioreticulosa
|
Canada(Alberta) |
Late Aptian |
Early Albian |
Impardecispora |
Impardecispora trioreticulosa
|
North America |
Hauterivian |
Albian |
Impardecispora |
Impardecispora trioreticulosa
|
Worldwide |
Valanginian |
Albian |
Inaperturopollenites |
Inaperturopollenites dubius
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Inaperturopollenites |
Inaperturopollenites dubius
|
North America |
Berriasian |
Albian |
Interulobites |
Interulobites intraverrucatus
|
North America |
Hauterivian |
Albian |
Interulobites |
Interulobites triangularis
|
North America |
Hauterivian |
Albian |
Ischyosporites |
Ischyosporites disjunctus
|
North America |
Albian |
|
Ischyosporites |
Ischyosporites punctatus
|
North America |
Berriasian |
Middle Albian |
Januasporites |
Januasporites reticularis
|
North America |
Late Valanginian |
Middle Albian |
Januasporites |
Januasporites spiniferus
|
Canada(Alberta) |
Late Hauterivian |
Early Barremian |
Januasporites |
Januasporites spiniferus
|
North America |
Late Berriasian |
Middle Albian |
Klukisporites |
Klukisporites areolatus
|
North America |
Late Aptian |
Middle Albian |
Klukisporites |
Klukisporites convolutus
|
North America |
Early Albian |
Middle Albian |
Klukisporites |
Klukisporites foveolatus
|
Canada(Alberta) |
Late Barremian |
Early Aptian |
Klukisporites |
Klukisporites foveolatus
|
North America |
Berriasian |
Albian |