Genus Trachyhystrichosphaera
- Species total:
- 25
- Age range:
- 4100 - 500 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachyhystrichosphaera | Precambriam | Precambriam |
|
| Trachyhystrichosphaera aimika | Precambriam | Precambriam |
|
| Trachyhystrichosphaera anelpa | Vendian | Vendian |
|
| Trachyhystrichosphaera bothnica | Late Precambrian | Late Precambrian |
|
| Trachyhystrichosphaera crassispina | Doushantuo | Doushantuo |
|
| Trachyhystrichosphaera cyathophora | Late Riphean | Late Riphean |
|
| Trachyhystrichosphaera hystricosa | Vendian | Vendian |
|
| Trachyhystrichosphaera magna | Late Proterozoic | Early Cambrian |
|
| Trachyhystrichosphaera megalia | Nd | Nd |
|
| Trachyhystrichosphaera membranacea | Late Riphean | Late Riphean |
|
| Trachyhystrichosphaera parva | Proterozoic | Vendian |
|
| Trachyhystrichosphaera polaris | Proterozoic | Proterozoic |
|
| Trachyhystrichosphaera simica | Late Riphean | Middle Cambrian |
|
| Trachyhystrichosphaera sp | Precambriam | Early Cambrian |
|
| Trachyhystrichosphaera sp. Knol.,1992 | Early Vendian | Early Vendian |
|
| Trachyhystrichosphaera sp. Tynn.& Donn.,1980 | Nd | Nd |
|
| Trachyhystrichosphaera sp. Zang & Walt.,1992 | Late Riphean | Late Riphean |
|