Ischyosporites |
Ischyosporites variegatus
|
Canada |
Tithonian |
|
Ischyosporites |
Ischyosporites variegatus
|
Europe |
Late Oxfordian |
Valanginian |
Ischyosporites |
Ischyosporites variegatus
|
Europe |
Oxfordian |
Valanginian |
Ischyosporites |
Ischyosporites variegatus
|
Canada |
Tithonian |
|
Januasporites |
Januasporites reticularis
|
Canada |
Berriasian |
Valanginian |
Januasporites |
Januasporites tumulosus
|
Europe |
Late Berriasian |
Early Valanginian |
Laevigatosporites |
Laevigatosporites ovatus
|
Canada |
Oxfordian |
Valanginian |
Laevigatosporites |
Laevigatosporites ovatus
|
Europe |
Late Berriasian |
Valanginian |
Laevizonosporites |
Laevizonosporites crassiexinus
|
Europe |
Early Berriasian |
|
Laevizonosporites |
Laevizonosporites tenuiexinus
|
Europe |
Valanginian |
|
Laevizonosporites |
Laevizonosporites werlensis
|
Europe |
Late Berriasian |
Early Valanginian |
Leptolepidites |
Leptolepidites epacrornatus
|
Europe |
Late Berriasian |
|
Leptolepidites |
Leptolepidites plurituberosus
|
Europe |
Berriasian |
|
Leptolepidites |
Leptolepidites proxigranulatus
|
Europe |
Berriasian |
|
Leptolepidites |
Leptolepidites proxigranulatus
|
Maryland |
Early Cretaceous |
|
Leptolepidites |
Leptolepidites psarosus
|
Europe |
Berriasian |
|
Leptolepidites |
Leptolepidites verrucatus
|
Europe |
Late Berriasian |
|