[dinosaur] Keresdrakon, new pterosaur from Cretaceous of Brazil (free pdf)

Ben Creisler
[email protected]

A new paper in open access:

Free pdf:

Keresdrakon vilsoni gen. et sp. nov.

Alexander W.A. Kellner, Luiz C. Weinschütz, Borja Holgado, Renan A.M.
Bantim & Juliana M. Sayão (2019)
A new toothless pterosaur (Pterodactyloidea) from Southern Brazil with
insights into the paleoecology of a Cretaceous desert.
Anais da Academia Brasileira de Ciências 91, suppl.2: e20190768
doi: https://urldefense.proofpoint.com/v2/url?u=http-3A__dx.doi.org_10.1590_0001-2D3765201920190768&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=JX-6-5wfaxGD5QKpRG7052PfF2BF1WBFTIbqlruS4f0&s=A6RnbLfP4o3TNdJf3wN1jzE4U97K79JxwVOc0Uv3keA&e= .
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.scielo.br_scielo.php-3Fscript-3Dsci-5Fabstract-26pid-3DS0001-2D37652019000400517-26lng-3Den-26nrm-3Diso-26tlng-3Den&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=JX-6-5wfaxGD5QKpRG7052PfF2BF1WBFTIbqlruS4f0&s=XC2Wxm1gPj3fVExZHlym42xZuRnzSKjAnx0wX_wQqe0&e= 

Free pdf:

https://urldefense.proofpoint.com/v2/url?u=http-3A__www.scielo.br_pdf_aabc_v91s2_0001-2D3765-2Daabc-2D91-2Ds2-2De20190768.pdf&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=JX-6-5wfaxGD5QKpRG7052PfF2BF1WBFTIbqlruS4f0&s=92oQimrUPcLErZgvuKCHxYhot1PmpS7bYrr81EcEhBs&e= 


The first pterosaur bone bed from Brazil was reported in 2014 at the
outskirts of the town Cruzeiro do Oeste, Paraná State, in the Southern
region of the country. Here named 'cemitério dos pterossauros' site, these
outcrops were referred to the Goio-Erê Formation (Turonian-Campanian) of
the Caiuá Group (Bauru Basin) and revealed the presence of hundreds of
isolated or partially articulated elements of the tapejarine pterosaur
Caiuajara and fewer amounts of a theropod dinosaur. Here we present a new
tapejaromorph flying reptile from this site, Keresdrakon vilsoni gen. et
sp. nov., which shows a unique blunt ridge on the dorsal surface of the
posterior end of the dentary. Morphological and osteohistological features
indicate that all recovered individuals represent late juveniles or
sub-adults. This site shows the first direct evidence of sympatry in
Pterosauria. The two distinct flying reptiles coexisted with a theropod
dinosaur, providing a rare glimpse of a paleobiological community from a
Cretaceous desert.

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