Genus Trachyarachnitum
- Species total:
- 11
- Age range:
- 4100 - 461 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachyarachnitum | Early Cambrian | Early Cambrian |
|
| Trachyarachnitum debilum | Late Tremadocian | Llanvirnian |
|
| Trachyarachnitum favosum | Late Precambrian | Late Precambrian |
|
| Trachyarachnitum fenestratum | Middle Ordovician | Middle Ordovician |
|
| Trachyarachnitum fusinum | Late Tremadocian | Llanvirnian |
|
| Trachyarachnitum incrassatum | Proterozoic | Proterozoic |
|
| Trachyarachnitum latum | Early Devonian | Early Devonian |
|
| Trachyarachnitum punctatum | Sinian | Sinian |
|
| Trachyarachnitum sp | Precambriam | Precambriam |
|
| Trachyarachnitum sp. Xing et al,1985 | Late Precambrian | Late Precambrian |
|
| Trachyarachnitum sp.A | Early Devonian | Early Devonian |
|