Genus Tetrahedraletes
- Species total:
- 12
- Age range:
- 500 - 280 MA (obsolete dating)
- IRMNG:
- find
| Name | From | To | Age range |
|---|---|---|---|
| Tetrahedraletes | Llanvirnian | Pennsylvanian |
|
| Tetrahedraletes grayii | Ashgillian | Ashgillian |
|
| Tetrahedraletes medinensis | Ordovician | Pennsylvanian |
|
| Tetrahedraletes sp | Ordovician | Early Devonian |
|
| Tetrahedraletes sp. Duff.& Lega.,1981 | Silurian | Silurian |
|
| Tetrahedraletes sp. Otto.et al,1999 | Early Caradocian | Early Caradocian |
|
| Tetrahedraletes sp. Rich.,1988 | Nd | Nd |
|
| Tetrahedraletes sp.A | Late Ashgillian | Gedinnian |
|
| Tetrahedraletes sp.A Rich.,1988 | Ashgillian | Ashgillian |
|
| Tetrahedraletes sp.II | Gedinnian | Gedinnian |
|
| Tetrahedraletes sp.NMW9823G4 Edwa.et al, 1999 | Early Lochkovian | Early Lochkovian |
|
| Tetrahedraletes sp.NMW9823G5 Edwa.et al, 1999 | Early Lochkovian | Early Lochkovian |
|