Anteosaurus

Apr 23, 2026 - 18:08
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Anteosaurus

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=== Metabolism ===
=== Metabolism ===
In 2017, Kévin Rey and colleagues analyzed oxygen isotopes to find thermometabolism among therapsid clades. The δ18Op values of ''Anteosaurus'' (and other contemporary therapsids of the [[Tapinocephalus Assemblage Zone|lower ''Tapinocephalus'' AZ]]) recovered it as an [[ectotherm]]ic therapsid.{{Cite journal |last=Rey |first=Kévin |last2=Amiot |first2=Romain |display-authors=et al. |date=2017 |title=Oxygen isotopes suggest elevated thermometabolism within multiple Permo-Triassic therapsid clades |journal=eLife |volume=6 |doi=10.7554/eLife.28589 |doi-access=free}} Furthermore, analysis on bony labyrinths{{Clarify|date=February 2026}} also found dinocephalians in general to have been ectothermic. Non-[[neotherapsid]] therapsids were estimated to have a body temperature between {{cvt|24.2-29.0|C}}.{{Cite journal |last=Araújo |first=Ricardo |last2=David |first2=Romain |display-authors=et al. |date=2022 |title=Inner ear biomechanics reveals a Late Triassic origin for mammalian endothermy |url=https://www.nature.com/articles/s41586-022-04963-z |journal=Nature |volume=607 |pages=726-731 |doi=10.1038/s41586-022-04963-z |url-access=subscription}}
In 2017, Kévin Rey and colleagues analyzed oxygen isotopes to find thermometabolism among therapsid clades. The δ18Op values of ''Anteosaurus'' (and other contemporary therapsids of the [[Tapinocephalus Assemblage Zone|lower ''Tapinocephalus'' AZ]]) recovered it as an [[ectotherm]]ic therapsid.{{Cite journal |last1=Rey |first1=Kévin |last2=Amiot |first2=Romain |display-authors=et al. |date=2017 |title=Oxygen isotopes suggest elevated thermometabolism within multiple Permo-Triassic therapsid clades |journal=eLife |volume=6 |article-number=e28589 |doi=10.7554/eLife.28589 |doi-access=free |pmid=28716184 |pmc=5515572 }} Furthermore, analysis on bony labyrinths{{Clarify|date=February 2026}} also found dinocephalians in general to have been ectothermic. Non-[[neotherapsid]] therapsids were estimated to have a body temperature between {{cvt|24.2-29.0|C}}.{{Cite journal |last1=Araújo |first1=Ricardo |last2=David |first2=Romain |display-authors=et al. |date=2022 |title=Inner ear biomechanics reveals a Late Triassic origin for mammalian endothermy |url=https://www.nature.com/articles/s41586-022-04963-z |journal=Nature |volume=607 |issue=7920 |pages=726–731 |doi=10.1038/s41586-022-04963-z |pmid=35859179 |url-access=subscription}}


==Geographic and stratigraphic range==
==Geographic and stratigraphic range==
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