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Re: Dracoraptor, new basal neotheropod from Early Jurassic of Wales (free pdf)
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- Subject: Re: Dracoraptor, new basal neotheropod from Early Jurassic of Wales (free pdf)
- From: Ben Creisler <firstname.lastname@example.org>
- Date: Wed, 20 Jan 2016 11:05:29 -0800
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Some news outlets that did respect the embargo...
On Wed, Jan 20, 2016 at 10:45 AM, Ben Creisler <firstname.lastname@example.org> wrote:
> Ben Creisler
> New in PLoS ONE:
> Dracoraptor hanigani Martill, Vidovic, Howells & Nudds, 2016
> David M. Martill, Steven U. Vidovic, Cindy Howells & John R. Nudds (2016)
> The Oldest Jurassic Dinosaur: A Basal Neotheropod from the Hettangian
> of Great Britain.
> PLoS ONE 11(1): e0145713.
> Approximately 40% of a skeleton including cranial and postcranial
> remains representing a new genus and species of basal neotheropod
> dinosaur is described. It was collected from fallen blocks from a sea
> cliff that exposes Late Triassic and Early Jurassic marine and quasi
> marine strata on the south Wales coast near the city of Cardiff.
> Matrix comparisons indicate that the specimen is from the lithological
> Jurassic part of the sequence, below the first occurrence of the index
> ammonite Psiloceras planorbis and above the last occurrence of the
> Rhaetian conodont Chirodella verecunda. Associated fauna of
> echinoderms and bivalves indicate that the specimen had drifted out to
> sea, presumably from the nearby Welsh Massif and associated islands
> (St David’s Archipelago). Its occurrence close to the base of the Blue
> Lias Formation (Lower Jurassic, Hettangian) makes it the oldest known
> Jurassic dinosaur and it represents the first dinosaur skeleton from
> the Jurassic of Wales. A cladistic analysis indicates basal
> neotheropodan affinities, but the specimen retains plesiomorphic
> characters which it shares with Tawa and Daemonosaurus.
> (This item broke the embargo by a few hours... I waited to post it.)