Genus Fractisporonites
- Species total:
- 27
- Age range:
- 195 - 0.01 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Fractisporonites | Middle Cretaceous | Pleistocene |
|
| Fractisporonites canalis | Late Cretaceous | Late Neogene |
|
| Fractisporonites doliiformis | Late Paleocene | Early Eocene |
|
| Fractisporonites elongatus | Maastrichtian | Maastrichtian |
|
| Fractisporonites filiformis | Maastrichtian | Maastrichtian |
|
| Fractisporonites moniliformis | Late Cretaceous | Late Cretaceous |
|
| Fractisporonites nodosus | Maastrichtian | Maastrichtian |
|
| Fractisporonites ordinatus | Paleocene | Paleocene |
|
| Fractisporonites pittsburgensis | Early Jurassic | Middle Jurassic |
|
| Fractisporonites sp | Early Albian | Late Miocene |
|
| Fractisporonites sp. Beil.,1994 | Maastrichtian | Maastrichtian |
|
| Fractisporonites sp.1 Song et al,1999 | Cenomanian | Oligocene |
|
| Fractisporonites sp.1 Zhu et al,1985 | Middle Eocene | Late Eocene |
|
| Fractisporonites sp.2 | Cenomanian | Oligocene |
|
| Fractisporonites sp.2 Shu et al,1985 | Middle Eocene | Late Eocene |
|
| Fractisporonites sp.3 | Cenomanian | Oligocene |
|
| Fractisporonites sp.4 | Cenomanian | Oligocene |
|