| Name | From | To | Age range |
|---|---|---|---|
| Xanthidium vistitum | Late Cretaceous | Late Cretaceous |
|
| Xanthidium vestitum | Late Cretaceous | Late Cretaceous |
|
| Xanthidium tubiferum | Cretaceous | Early Eocene |
|
| Xanthidium spinosum | Late Cretaceous | Late Cretaceous |
|
| Xanthidium spiculatum | Nd | Nd |
|
| Xanthidium sp | Late Ordovician | Silurian |
|
| Xanthidium simplex | Late Cretaceous | Late Cretaceous |
|
| Xanthidium reginaldii | Nd | Nd |
|
| Xanthidium recurvatum | Late Cretaceous | Late Cretaceous |
|
| Xanthidium ramosum | Cretaceous | Cretaceous |
|
| Xanthidium pyritae | Late Cretaceous | Late Cretaceous |
|
| Xanthidium pilosum | Jurassic | Danian |
|
| Xanthidium penicillatum | Jurassic | Jurassic |
|
| Xanthidium palmatum | Ypresian | Ypresian |
|
| Xanthidium malleoferum | Cretaceous | Cretaceous |
|
| Xanthidium hystrix | Nd | Nd |
|
| Xanthidium hirtum | Nd | Nd |
|