ArticleScience advances2024
The origins of mammal growth patterns during the Jurassic mammalian radiation.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- IPSBrain: A Unified Intelligent Data Analysis Platform for Multimodal Experimental Characterization at Advanced Photon Source.The journal of physical chemistry. A · 2026Article
- The osteohistology of Orthosuchus stormbergi using synchrotron radiation microcomputed tomography.Journal of anatomyArticle
- Palaeohistology and life history of the early Palaeocene taeniodont Conoryctes comma (Mammalia: Eutheria).Journal of anatomyArticle
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Authors and funding
18 authors.
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No grant is acknowledged in the PubMed record.
Abstract
We use synchrotron x-ray tomography of annual growth increments in the dental cementum of mammaliaforms (stem and crown fossil mammals) from three faunas across the Jurassic to map the origin of patterns of mammalian growth patterns, which are intrinsically related to mammalian endothermy. Although all fossils studied exhibited slower growth rates, longer life spans, and delayed sexual maturity relative to comparably sized extant mammals, the earliest crown mammals developed significantly faster growth rates in early life that reduced at sexual maturity, compared to stem mammaliaforms. Estimation of basal metabolic rates (BMRs) suggests that some fossil crown mammals had BMRs approaching the lowest rates of extant mammals. We suggest that mammalian growth patterns first evolved during their mid-Jurassic adaptive radiation, although growth remained slower than in extant mammals.
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