 On the front neck, the neural spines, normally rectangular plates, have been reduced to a low ridge; more to behind they have disappeared.At the first five neck vertebrae, the postzygapophyses have no separating space in between them but are fused into a single lobe.With other basal Maniraptoriformes these rear joint processes are sometimes connected by a plate but in that case the bony shelf is notched by a postspinal fossa causing a concave profile in top view; in "Halszkaraptor" this groove is absent and the profile is convex.