Re: [dinosaur] Aenigmaspina, new crurotarsan archosaur from Late Triassic of Wales (free pdf)

The pdf is now free at this link:

https://urldefense.proofpoint.com/v2/url?u=https-3A__cpb-2Deu-2Dw2.wpmucdn.com_blogs.bristol.ac.uk_dist_6_525_files_2019_08_2019Edgar.pdf&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=yIrRiyk1lbOjuEIwBNea1XqqM7X7Jmq85W9TAEWj34w&s=dzpo6c6eG-MbaN_KbX3Or7YH_pPk8hQKLICLs2atGXw&e= 


On Thu, Aug 29, 2019 at 8:05 AM Ben Creisler <[email protected]> wrote:

>
> Ben Creisler
> [email protected]
>
> A new paper:
>
> Aenigmaspina pantyffynnonensis gen. et. sp. nov.
>
> Erin L. Patrick, David I. Whiteside & Michael J. Benton (2019)
> A new crurotarsan archosaur from the Late Triassic of South Wales.
> Journal of Vertebrate Paleontology  Article: e1645147
> doi: https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1080_02724634.2019.1645147&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=yIrRiyk1lbOjuEIwBNea1XqqM7X7Jmq85W9TAEWj34w&s=VW4GrvErJ2hPzX_XchSpqvfFEgloqdjQlhXZ3Qi22fk&e= 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.tandfonline.com_doi_full_10.1080_02724634.2019.1645147&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=yIrRiyk1lbOjuEIwBNea1XqqM7X7Jmq85W9TAEWj34w&s=xBiXkW1uyMT7p2I8B8lvk96LBs0ST2xpqEfozLRaYXs&e= 
>
> NOTE: This paper will likely be posted for free on Michael Benton's
> website at some point.
> https://urldefense.proofpoint.com/v2/url?u=https-3A__benton.blogs.bristol.ac.uk_publications_&d=DwIBaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=yIrRiyk1lbOjuEIwBNea1XqqM7X7Jmq85W9TAEWj34w&s=of8ptlRKbQUWdhHIX3ZSBk_aEDvah62xV_bJBuhFZgU&e= 
>
>
>
>
> We report a third archosaur from the Late Triassic cavity-fill sediments
> of Pant-y-ffynnon Quarry in South Wales, in addition to the basal
> crocodylomorph Terrestrisuchus and the basal sauropodomorph dinosaur
> Pantydraco. The new taxon, Aenigmaspina pantyffynnonensis, previously
> referred to informally as 'Edgar,' was recovered in 1952 and is preserved
> as a tight cluster of vertebrae, ribs, and a scapula in a single block, as
> well as numerous associated, but now isolated, elements, including skull
> bones, vertebrae, further putative elements of the forelimb, and a partial
> pelvis. We present a digital model based on computed tomography (CT) scans
> of the main associated blocks, which shows exquisite detail of an
> associated series of 12 cervical and anterior dorsal vertebrae, with ribs
> and a scapula. The well-developed spine tables and eight matching
> osteoderms confirm that this is a crurotarsan archosaur, but it lacks
> apomorphies of all major crurotarsan clades. Phylogenetic analysis gives
> equivocal results, showing weak relationships with Proterochampsidae and
> Ornithosuchidae; the new taxon might lie close to Erpetosuchidae, based on
> the 'Y'-shaped spine tables.
>
> ====
>
>
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