[dinosaur] Riabininohadros and additional ornithopod material from Upper Cretaceous of Crimea

Subject: [dinosaur] Riabininohadros and additional ornithopod material from Upper Cretaceous of Crimea

From: Ben Creisler <bcreisler@gmail.com>

Date: Fri, 12 Jul 2019 10:46:33 -0700

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Ben Creisler

bcreisler@gmail.com

A new paper in Russian (English translated version not yet posted):

A. O. Averianov & A. V. Lopatin (2019)
Dinosaur remains from the Upper Cretaceous of Crimea.

Paleontological Journal 2019 (53)(4): 73-86 (Russian edition)
DOI: 10.1134/S0031031X19040020
https://elibrary.ru/item.asp?id=38502622

A new study of the holotype of Riabininohadros weberae from the Upper Cretaceous (upper Maastrichtian) of Crimea (Besh Kosh) revealed previously unknown fragments of femur, astragalus, and calcaneus. This taxon is characterized by a complex of primitive characters found in Iguanodontia and basal Ornithischia and its phylogenetic position can be defined as Styracosterna indet. The second dinosaur record from Crimea (Aleshino) is represented by a fragmentary skeleton, including cervical and dorsal vertebrae. It may belong to a derived iguanodontian of primitive hadrosauroid. Thus, at least two species of dinosaurs coexisted in the Maastrichtian of Crimea.

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