Interpretive drawing of Xenoposeidon proneneukos gen. et sp.
nov. holotype in A, left lateral, B, right lateral, C, anterior, and
D, posterior views. Scale bar represents 200 mm. Breakage is
indicated by diagonal hatching. The PPDL (preserved only on the left
side) is a sheet of bone projecting anterolaterally from the neural
arch with its anterolateral margin running dorsoventrally, but which
is broken off just dorsal to the parapophysis.