The Geological Museum of China, Beijing, China

Holotype P2813 (SH17) for Gleditsioxylon jiangsuensis Y.M.Cheng, X.N.Yang, Z.F.He, B.Mao et Y.F.Yin

Holotype P1500 for Umkomasia asiatica S.Q.Zan, Axsmith, N.C.Fraser, F.X.Liu et D.H.Xing