[dinosaur] Tengrisaurus, new titanosaur from Lower Cretaceous of Russia (free pdf)

Subject: [dinosaur] Tengrisaurus, new titanosaur from Lower Cretaceous of Russia (free pdf)

From: Ben Creisler <bcreisler@gmail.com>

Date: Wed, 3 May 2017 07:57:25 -0700

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Ben Creisler

bcreisler@gmail.com

A new paper in open access:

Alexander Averianov and Pavel Skutschas (2017)

A new lithostrotian titanosaur (Dinosauria, Sauropoda) from the Early Cretaceous of Transbaikalia, Russia.

Biological Communications 62(1): 6–18.

doi: 10.21638/11701/spbu03.2017.102

https://biocomm.spbu.ru/article/view/4

pdf:

https://biocomm.spbu.ru/article/view/4/9

Tengrisaurus starkovi, gen. et sp. nov., is described based on three caudal vertebrae from the Lower Cretaceous (Barremian?) Murtoi Formation at Mogoito locality, near Gusinoe Lake in Buryatia, Russia. The new taxon is characterized by strongly procoelous anterior and middle caudal vertebrae, with strongly developed pre-epipophyses, highly pneumatic neural spine, and solid bone structure of the centrum. The reweighted phylogenetic analysis places the new taxon as a non-saltasaurid lithostrotian titanosaur (Sauropoda). This is one of the oldest fossil records of Lithostrotia and Titanosauria, which suggests a long and unexplored evolution of titanosaurs in the Early Cretaceous of Asia.