| Name | From | To | Age range |
|---|---|---|---|
| Obtusisporis yarragadensis | Aalenian | Aptian |
|
| Obtusisporis obtusangulus | Middle Jurassic | Middle Jurassic |
|
| Obtusisporis laevigata | Middle Jurassic | Middle Jurassic |
|
| Obtusisporis concavus | Late Jurassic | Late Jurassic |
|
| Obtusisporis corniculata | Late Jurassic | Hauterivian |
|
| Obtusisporis reticulata | Late Jurassic | Late Jurassic |
|
| Obtusisporis fossulatus | Tithonian | Tithonian |
|
| Obtusisporis sp.2 | Cretaceous | Tertiary |
|
| Obtusisporis plicatus | Cretaceous | Tertiary |
|
| Obtusisporis sp.A Arch.& Vill.,1998 | Early Cretaceous | Early Cretaceous |
|
| Obtusisporis sp.1 | Cretaceous | Tertiary |
|
| Obtusisporis laeviconcavus | Cretaceous | Tertiary |
|
| Obtusisporis apilobatus | Middle Albian | Early Cenomanian |
|
| Obtusisporis dakotensis | Middle Albian | Early Cenomanian |
|
| Obtusisporis labratus | Cenomanian | Oligocene |
|
| Obtusisporis minimus | Maastrichtian | Miocene |
|
| Obtusisporis sp.3 | Early Tertiary | Late Oligocene |
|