Genus Trachymarginata
- Species total:
- 12
- Age range:
- 4100 - 395 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachymarginata | Precambriam | Precambriam |
|
| Trachymarginata aberrantis | Early Cambrian | Early Cambrian |
|
| Trachymarginata crustosa | Early Cambrian | Early Cambrian |
|
| Trachymarginata delicata | Cambrian | Silurian |
|
| Trachymarginata globulosa | Late Vendian | Late Vendian |
|
| Trachymarginata grumulosa | Ordovician | Ordovician |
|
| Trachymarginata memorabilis | Silurian | Silurian |
|
| Trachymarginata parvium | Cambrian | Tremadocian |
|
| Trachymarginata socolovi | Cambrian | Ludlovian |
|
| Trachymarginata sokolovi | Ordovician | Ordovician |
|
| Trachymarginata sp | Silurian | Silurian |
|
| Trachymarginata speciosa | Vendian | Vendian |
|