Mantellisaurus atherfieldensis

Mantellisaurus is a genus of iguanodontian dinosaur that lived in the Barremian and early Aptian ages of the Early Cretaceous Period of Europe. Its remains are known from Belgium (Bernissart), England, Spain and Germany.
Anatomical reference used skeletal diagram of Gregory S. Paul
https://www.sciencedirect.com/science/article/abs/pii/S0195667111000346?via%3Dihub