Genus Trachydiacrodium
- Species total:
- 14
- Age range:
- 4100 - 431 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Trachydiacrodium | Precambriam | Arenigian |
|
| Trachydiacrodium coarctatum | Cambrian | Early Tremadocian |
|
| Trachydiacrodium dentatum | Late Ordovician | Late Ordovician |
|
| Trachydiacrodium involutivum | Late Cambrian | Late Cambrian |
|
| Trachydiacrodium legiminiforme | Late Cambrian | Early Ordovician |
|
| Trachydiacrodium maximum | Late Proterozoic | Cambrian |
|
| Trachydiacrodium nanjiangense | Late Proterozoic | Cambrian |
|
| Trachydiacrodium ovale | Llanvirnian | Llanvirnian |
|
| Trachydiacrodium productum | Early Paleozoic | Early Paleozoic |
|
| Trachydiacrodium scabratum | Late Proterozoic | Cambrian |
|
| Trachydiacrodium signatum | Early Paleozoic | Early Llandoverian |
|
| Trachydiacrodium sp | Sinian | Late Ordovician |
|
| Trachydiacrodium sp. Stro.& Trav.,1979 | Llandoverian | Llandoverian |
|
| Trachydiacrodium sp.1 | Late Cambrian | Late Cambrian |
|