| Name | From | To | Age range |
|---|---|---|---|
| Obtusisporis sp. Fowe.& Trav.,1995 | Late Rhaetian | Early Hettangian |
|
| Obtusisporis corniger | Jurassic | Bathonian |
|
| Obtusisporis convexus | Aalenian | Bathonian |
|
| Obtusisporis undulus | Toarcian | Bathonian |
|
| Obtusisporis tricuspidatus | Early Jurassic | Tithonian |
|
| Obtusisporis corniculata | Late Jurassic | Hauterivian |
|
| Obtusisporis sp. Bai et al,1983 | Early Triassic | Early Cretaceous |
|
| Obtusisporis yarragadensis | Aalenian | Aptian |
|
| Obtusisporis canadensis | Early Triassic | Albian |
|
| Obtusisporis apilobatus | Middle Albian | Early Cenomanian |
|
| Obtusisporis dakotensis | Middle Albian | Early Cenomanian |
|
| Obtusisporis | Scythian | Senonian |
|
| Obtusisporis divisitorus | Hettangian | Cretaceous |
|
| Obtusisporis juncta | Early Gothlandian | Early Eocene |
|
| Obtusisporis sp | Late Permian | Late Oligocene |
|
| Obtusisporis sp.3 | Early Tertiary | Late Oligocene |
|
| Obtusisporis labratus | Cenomanian | Oligocene |
|