Genus Dorsennidium

Species total:
89
Age range:
570 - 117 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Dorsennidium variable Late Permian Late Permian
Dorsennidium vesiculospinum Late Ordovician Late Ordovician
Dorsennidium xujiashanense Early Triassic Early Triassic
Dorsennidium yunnanense Early Cambrian Early Cambrian