[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Fw: [PDF REQUEST] Re: Siats, new allosauroid theropod from Late Cretaceous of Utah

Plain text version.

For anyone with access, may I get a copy of this.



> From: Ben Creisler <bcreisler@gmail.com>
>To: dinosaur@usc.edu 
>Sent: Friday, 22 November 2013 10:26 AM
>Subject: Siats, new allosauroid theropod from Late Cretaceous of Utah
>From: Ben Creisler
>A new dinosaur online in Nature Communications:
>Lindsay E. Zanno & Peter J. Makovicky (2013)
>Neovenatorid theropods are apex predators in the Late Cretaceous of
>North America
>Nature Communications 4, Article number: 2827
>Allosauroid theropods were a diverse and widespread radiation of
>Jurassic–Cretaceous megapredators. Achieving some of the largest body
>sizes among theropod dinosaurs, these colossal hunters dominated
>terrestrial ecosystems until a faunal turnover redefined
apex predator
>guild occupancy during the final 20 million years of the Cretaceous.
>Here we describe a giant new species of allosauroid – Siats meekerorum
>gen. et sp. nov. – providing the first evidence for the cosmopolitan
>clade Neovenatoridae in North America. Siats is the youngest
>allosauroid yet discovered from the continent and demonstrates that
>the clade endured there into the Late Cretaceous. The discovery
>provides new evidence for ecologic sympatry of large allosauroids and
>small-bodied tyrannosauroids. These data support the hypothesis that
>extinction of Allosauroidea in terrestrial ecosystems of North America
>permitted ecological release of tyrannosauroids, which went on to
>dominate end-Cretaceous food webs.
>Supplementary information is free.
>Here are a number of news story. Yesterday a few of media sources
>published stories with the name, but it's possible they broke
>embargo so I held off in posting the stories. It's all official today.