(I_bernissartensis,(P_byrdi,(T_transsylvanicus,(H_stebingeri,(S_osborni,(P_blackfeetensis,(E_annectens,(Gryposaurus_sp,(B_canadensis,M_peeblesorum))))))))); (I_bernissartensis,(P_byrdi,(T_transsylvanicus,(H_stebingeri,(E_annectens,((Gryposaurus_sp,(B_canadensis,M_peeblesorum)),(P_blackfeetensis,S_osborni)))))));