File:Description of the Pliocene marsupial Ambulator keanei gen. nov. (Marsupialia Diprotodontidae) from inland Australia and its locomotory adaptations.pdf
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DescriptionDescription of the Pliocene marsupial Ambulator keanei gen. nov. (Marsupialia Diprotodontidae) from inland Australia and its locomotory adaptations.pdf |
English: Diprotodontids were the largest marsupials to exist and an integral part of Australian terrestrial ecosystems until the last members of the group became extinct approximately 40 000 years ago. Despite the frequency with which diprotodontid remains are encountered, key aspects of their morphology, systematics, ecology and evolutionary history remain poorly understood. Here we describe new skeletal remains of the Pliocene taxon Zygomaturus keanei from northern South Australia. This is only the third partial skeleton of a late Cenozoic diprotodontid described in the last century, and the first displaying soft tissue structures associated with footpad impressions. Whereas it is difficult to distinguish Z. keanei and the type species of the genus, Z. trilobus, on dental grounds, the marked cranial and postcranial differences suggest that Z. keanei warrants genus-level distinction. Accordingly, we place it in the monotypic Ambulator gen. nov. We, also recognize the late Miocene Z. gilli as a nomen dubium. Features of the forelimb, manus and pes reveal that Ambulator keanei was more graviportal with greater adaptation to quadrupedal walking than earlier diprotodontids. These adaptations may have been driven by a need to travel longer distances to obtain resources as open habitats expanded in the late Pliocene of inland Australia. |
Date | |
Source | https://royalsocietypublishing.org/doi/10.1098/rsos.230211 |
Author | Jacob D. van Zoelen, Aaron B. Camens, Trevor H. Worthy and Gavin J. Prideaux |
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current | 21:56, 31 May 2023 | 1,085 × 1,575, 49 pages (7.58 MB) | Koavf (talk | contribs) | Uploaded a work by Jacob D. van Zoelen, Aaron B. Camens, Trevor H. Worthy and Gavin J. Prideaux from https://royalsocietypublishing.org/doi/10.1098/rsos.230211 with UploadWizard |
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Image title | R. Soc. open sci. 2023.10:230211 |
Software used | Arbortext Advanced Print Publisher 10.0.1465/W Unicode |
File change date and time | 07:51, 31 May 2023 |
Date and time of digitizing | 20:56, 31 May 2023 |
Date metadata was last modified | 07:51, 31 May 2023 |
Conversion program | Acrobat Distiller 8.1.0 (Windows); modified using iText 4.2.0 by 1T3XT |
Encrypted | no |
Page size | 521.972 x 756 pts |
Version of PDF format | 1.4 |