Duplexisporites |
Duplexisporites scanicus
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Duplexisporites |
Duplexisporites undulatus
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Impardecispora |
Impardecispora
|
Nd |
Nd |
|
Impardecispora |
Impardecispora apiverrucata
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Impardecispora |
Impardecispora canadensis
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Impardecispora |
Impardecispora multituberculatus
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Impardecispora |
Impardecispora uralensis
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Early Valanginian |
Ischyosporites |
Ischyosporites
|
Nd |
Nd |
|
Ischyosporites |
Ischyosporites areolatus
|
Nd |
Nd |
|
Ischyosporites |
Ischyosporites convolutus
|
Nd |
Nd |
|
Ischyosporites |
Ischyosporites disjunctus
|
Canada(NWT,Mackenzie) |
Late Oxfordian |
Hauterivian |
Ischyosporites |
Ischyosporites foveolatus
|
Canada(Saskatchewan) |
Middle Albian |
Late Albian |
Ischyosporites |
Ischyosporites glomerosus
|
USSR(Siberia) |
Late Jurassic |
|
Ischyosporites |
Ischyosporites instaurativus
|
USSR |
Early Hauterivian |
|
Ischyosporites |
Ischyosporites jurassicus
|
Canada(W.Canada) |
Middle Jurassic |
|
Ischyosporites |
Ischyosporites lacunos
|
Australia(W.Australia) |
Hettangian |
Late Callovian |
Ischyosporites |
Ischyosporites neovariegatus
|
Australia(W.Australia) |
Late Bajocian |
Middle Kimmeridgian |