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