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Fossil Record A palaeontological open-access journal of the Museum für Naturkunde

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Foss. Rec., 20, 105-127, 2017
http://www.foss-rec.net/20/105/2017/
doi:10.5194/fr-20-105-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
02 Mar 2017
Modeling the physiology of the aquatic temnospondyl Archegosaurus decheni from the early Permian of Germany
Florian Witzmann and Elizabeth Brainerd

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Short summary
Based on the estimation of its body mass and metabolic rate, we calculated heat balance, gas exchange, osmoregulation, and digestion of the 290-million-year-old aquatic amphibian Archegosaurus. Our results suggest that its physiology was more fish- than tetrapod-like in many respects. We conducted this study, which is mainly based on theoretical calculations and comparison with extant analogs, to shed light on the physiology and lifestyle of early tetrapods.
Based on the estimation of its body mass and metabolic rate, we calculated heat balance, gas...
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