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- Title
Reply to: Revisiting life history and morphological proxies for early mammaliaform metabolic rates.
- Authors
Newham, Elis; Gill, Pamela G.; Benton, Michael J.; Brewer, Philippa; Gostling, Neil J.; Haberthür, David; Jernvall, Jukka; Kankanpää, Tuomas; Kallonen, Aki; Navarro, Charles; Pacureanu, Alexandra; Richards, Kelly; Robson Brown, Kate; Schneider, Philipp; Suhonen, Heikki; Tafforeau, Paul; Williams, Katherine; Zeller-Plumhoff, Berit; Corfe, Ian J.
- Abstract
Given the strong evidence against powered flight or marine ecologies in both fossil taxa, and the known difference in wild and captive mammal lifespans[1],[7], the most parsimonious interpretation of their difference in longevities from living terrestrial mammals is a different BMR. Meiri and Levin[2] used these findings to question our estimations of low BMRs compared to extant mammals for the mammaliaforms I Morganucodon i and I Kuehneotherium i , based on their long lifespans relative to their size. We further applied this model to our data for wild terrestrial mammals[1] to account for the effect of body mass on the relationship between lifespan and BMR more stringently, as suggested by Meiri & Levin[2], and also find a significant longevity: BMR correlation ( I n i = 117; I p i < 0.0043, Supplementary Data 5-6). B replying to b S. Meiri & E. Levin I Nature Communications i https://doi.org/10.1038/s41467-022-32715-0 (2022) In an article examining the physiology of Early Jurassic mammaliaform stem-mammals, we used proxies for basal and maximum metabolic rate, providing evidence that two key fossil mammaliaforms had metabolic rates closer to modern reptiles than modern mammals[1].
- Subjects
BATS; LIFE history theory; ANIMAL life spans; TURBINATE bones; BASAL metabolism; ANIMAL welfare
- Publication
Nature Communications, 2022, Vol 13, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-022-32716-z