Genus Cycadeoidea
- Species total:
- 9
- Age range:
- 570 - 1.8 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Cycadeoidea prolongata | Hauterivian | Barremian |
|
| Cycadeoidea dacotensis | Cretaceous | Neogene |
|
| Cycadeoidea wellsii | Cretaceous | Cretaceous |
|
| Cycadeoidea datylota | Jurassic | Cretaceous |
|
| Cycadeoidea etrusca | Jurassic | Neogene |
|
| Cycadeoidea sp | Late Triassic | Neogene |
|
| Cycadeoidea quasiginkgoina | Middle Triassic | Middle Triassic |
|
| Cycadeoidea semiangulata | Middle Triassic | Middle Triassic |
|
| Cycadeoidea | Paleozoic | Mesozoic |
|