Pretty Cool
Described in this paper is a new iguanodontian ornithopod, Choyrodon barsboldi from the Albian-aged Khuren Dukh Formation of Mongolia based on several partial skeletons interpreted to represent a subadult growth stage based on osteohistological features.
https://peerj.com/articles/5300/
A new iguanodontian (Dinosauria: Ornithopoda) from the Early Cretaceous of Mongolia
Terry A. Gates, Khishigjav Tsogtbaatar, Lindsay E. Zanno, Tsogtbaatar Chinzorig, Mahito Watabe