[dinosaur] Uberabatitan osteology and systematics

Subject: [dinosaur] Uberabatitan osteology and systematics

From: Ben Creisler <bcreisler@gmail.com>

Date: Mon, 8 Apr 2019 07:31:22 -0700

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Ben Creisler

bcreisler@gmail.com

A new paper:

Julian C. G. Junior Silva, Thiago S. Marinho, AgustÃn G. Martinelli & Max C. Langer (2019)

Osteology and systematics of Uberabatitan ribeiroi (Dinosauria; Sauropoda): a Late Cretaceous titanosaur from Minas Gerais, Brazil.

ZootaxaÂ 4577(3): 401â438

DOI: http://dx.doi.org/10.11646/zootaxa.4577.3.1

https://www.mapress.com/j/zt/article/view/zootaxa.4577.3.1

https://biotaxa.org/Zootaxa/article/view/zootaxa.4577.3.1

Uberabatitan ribeiroi is a Late Cretaceous titanosaur (Dinosauria, Sauropoda) from southeastern Brazil. Here we provide a detailed revision of all its available specimens, including new elements from the type-locality. One new autopomorphy is added to diagnosis of the taxon: astragalus with a well-developed anteroposterior crest that mediodistally delimits the tibial articulation. Linear regressions were conducted in an attempt to circumscribe specimens within the type-series, revealing that it is composed of several individuals, with inferred total body lengths varying from 7 to 26 meters. Phylogenetic analyses including U. ribeiroi show that the Brazilian taxon corresponds to a non-saltasaurid lithostrotian titanosaur.

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