Genus Tetraniveum

Species total:
6
Age range:
570 - 461 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Tetraniveum Ordovician Ordovician
Tetraniveum arenigum Early Paleozoic Llanvirnian
Tetraniveum sp Middle Arenigian Late Arenigian
Tetraniveum sp.1 Arenigian Arenigian
Tetraniveum sp.A Late Tremadocian Early Arenigian
Tetraniveum sp.B Late Tremadocian Early Arenigian