Name | From | To | Age range |
---|---|---|---|
Obtusisporis concavus | Late Jurassic | Late Jurassic |
|
Obtusisporis canadensis | Early Triassic | Albian |
|
Obtusisporis apilobatus | Middle Albian | Early Cenomanian |
|
Obtusisporis | Scythian | Senonian |
|