Type species: Orbiramus normalis Xia, Zhang & Wang, 2007
This genus includes the species:
Xia, Zhang & Yan, 2008 | Early Ordovician Floian | China | WoRMS 1406044 | |
Xia, Zhang & Wang, 2007 | Ordovician Tremadocian | China Yangtze Gorges | WoRMS 1406045 | |
Xia, Zhang & Wang, 2007 | Ordovician Tremadocian | China Yangtze Gorges | WoRMS 1406046 | |
Xia, Zhang & Wang, 2007 | Ordovician Tremadocian | China Yangtze Gorges | WoRMS 1406047 |