Genus Paleosigma

Species total:
3
Age range:
456.67 - 408.33 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Paleosigma Late Ordovician Middle Gothlandian
Paleosigma silurica Late Ordovician Late Ordovician
Paleosigma undulosa Middle Gothlandian Middle Gothlandian