Antarctopelta redescribed + Cretaceous avian diversity of Antarctica (free (?)pds)

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Ben Creisler

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Apr 21, 2024, 11:07:57 PM4/21/24
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Ben Creisler

Recent papers not yet mentioned.

[I was able to download the files but they will not open as pdfs and display weird coding instead. Is anyone able to open these as normal pdfs? I have not found an alternate download site.]

Free pdf:

Sergio SOTO ACUÑA, Alexander O. VARGAS & Jonatan KALUZA (2024)
A new look at the first dinosaur discovered in Antarctica: reappraisal of Antarctopelta oliveroi (Ankylosauria: Parankylosauria)  
Advances in Polar Science 35(1): 78-107
doi: https://doi.org/10.12429/j.advps.2023.0036
https://aps.chinare.org.cn/EN/10.12429/j.advps.2023.0036


The first dinosaur discovered in the Antarctic continent was the ankylosaur Antarctopelta oliveroi in the 1980s. Nevertheless, since then several hypotheses of phylogenetical relationships have been proposed because these have been depended on how the skeletal remains have been interpreted. The main obstacle for clarifying its phylogenetic position is that many portions of the skeleton remain unknown, in addition to the presence of unknown characters in typical ankylosaurs. Considered an ankylosaurid, nodosaurid, or even a chimaera, a recent proposal based on mostly complete material of a new ankylosaur from Chilean Patagonia provided support for a novel phylogenetic hypothesis: Antarctopelta and other southern ankylosaurs are an early branching clade, the Parankylosauria, whose origin probably dates to the Late Jurassic. In the light of this new view, a redescription of the available skeletal remains is provided together with a new reconstruction of the first Antarctic dinosaur known to the science community.

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Free pdf:

Carolina ACOSTA HOSPITALECHE, Facundo IRAZOQUI, Paula BONA & Ariana PAULINA-CARABAJAL (2024)
Review of the Cretaceous avian diversity of Antarctica: a changing scenario for the evolution of early Neornithine birds.
Advances in Polar Science 35(1): 1-13
doi: https://doi.org/10.12429/j.advps.2023.0025
https://aps.chinare.org.cn/EN/10.12429/j.advps.2023.0025


The worldwide record of Cretaceous Neornithes and Neornithine-like birds is both controversial and poorly understood. However, in recent years, the Antarctic continent has yielded a substantial number of Maastrichtian avian specimens, contributing significantly to our understanding of the early evolution of this group. Simultaneously, the keen interest and collaborative efforts of various paleornithologists have resulted in a wealth of knowledge, which we have thoroughly reviewed, updated, and discussed in the context of recent discoveries.

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Mickey Mortimer

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Apr 22, 2024, 2:05:00 AM4/22/24
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They work fine for me, although the Antarctopelta one is stupidly huge at 131 megs.

Mickey Mortimer
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