Genus Gyalorhethium

Species total:
6
Age range:
570 - 436.67 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Gyalorhethium Ordovician Ordovician
Gyalorhethium angustispinosum Late Arenigian Middle Ashgillian
Gyalorhethium chondrodes Lasnamagi Uhaku
Gyalorhethium sp Middle Ordovician Middle Ordovician
Gyalorhethium sp.A Early Ashgillian Middle Ashgillian
Gyalorhethium spinuliferum Early Paleozoic Early Paleozoic