Genus Tylosphaeridium
- Species total:
- 8
- Age range:
- 4100 - 230 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tylosphaeridium | Precambriam | Paleozoic |
|
| Tylosphaeridium asperum | Cambrian | Cambrian |
|
| Tylosphaeridium induratum | Precambriam | Early Cambrian |
|
| Tylosphaeridium sp | Late Sinian | Cambrian |
|
| Tylosphaeridium sp.1 | Tremadocian | Arenigian |
|
| Tylosphaeridium sp.2 | Tremadocian | Arenigian |
|
| Tylosphaeridium taiwanianum | Eocene | Eocene |
|
| Tylosphaeridium tallinicum | Late Precambrian | Late Precambrian |
|