A new sauropod dinosaur,
Arkharavia heterocoelica gen. et sp. nov., from the Maastrichtian (Udurchukan Formation) of the Amur Region, Russia, is described based on a tooth
and several isolated anterior caudal vertebrae. It is distinguished by the saddle-shaped centrum and high neural spine of
the anterior caudal vertebrae. Certain structural characters of the new genus are in common with
Chubutisaurus insignis (Titanosauriformes) from the Upper Cretaceous of Argentina.
Key words Sauropoda - Dinosauria - Upper Cretaceous - Maastrichtian - Far East - Russia
Original Russian Text © V.R. Alifanov, Yu.L. Bolotsky, 2010, published in Paleontologicheskii Zhurnal, 2010, No. 1, pp. 76–83.