Genus Sylvanidium
- Species total:
- 4
- Age range:
- 570 - 263.33 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Sylvanidium | Ordovician | Ordovician |
|
| Sylvanidium operculatum | Arenigian | Early Llandoverian |
|
| Sylvanidium paucibrachium | Early Paleozoic | Late Ordovician |
|
| Sylvanidium sp | Late Cambrian | Early Permian |
|