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Early mammalian social behaviour revealed by multituberculates from a dinosaur nesting site
Weaver, Lucas N.1; Varricchio, David J.2; Sargis, Eric J.3,4,5; Chen, Meng6,7; Freimuth, William J.2; Mantilla, Gregory P. Wilson1,8
2020-11-02
发表期刊NATURE ECOLOGY & EVOLUTION
ISSN2397-334X
页码15
摘要

When sociality evolved and in which groups remain open questions in mammalian evolution, largely due to the fragmentary Mesozoic mammal fossil record. Nevertheless, exceptionally preserved fossils collected in well-constrained geologic and spatial frameworks can provide glimpses into these more fleeting aspects of early mammalian behaviour. Here we report on exceptional specimens of a multituberculate, Filikomys primaevus gen. nov., from the Late Cretaceous of Montana, primarily occurring as multi-individual, monospecific aggregates of semi-articulated skulls and skeletons within a narrow stratigraphic (similar to 9 cm thick) and geographic (<32 m(2)) interval. Taphonomic and geologic evidence indicates that F. primaevus engaged in multigenerational, group-nesting and burrowing behaviour, representing the first example of social behaviour in a Mesozoic mammal. That F. primaevus was a digger is further supported by functional morphological and morphometric analyses of its postcranium. The social behaviour of F. primaevus suggests that the capacity for mammals to form social groups extends back to the Mesozoic and is not restricted to therians. Sociality is probably an evolutionarily labile trait that has arisen numerous times during mammalian evolution.

DOI10.1038/s41559-020-01325-8
收录类别SCI
语种英语
关键词[WOS]MORPHOLOGY ; EVOLUTION ; HINDLIMB
资助项目National Science Foundation[0847777] ; National Science Foundation[1325674] ; National Science Foundation Graduate Research Fellowship ; Doris O. and Samuel P. Welles Research Fund ; University of Washington Department of Biology ; Burke Museum
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目Ecology ; Evolutionary Biology
WOS记录号WOS:000584396300001
项目资助者National Science Foundation ; National Science Foundation Graduate Research Fellowship ; Doris O. and Samuel P. Welles Research Fund ; University of Washington Department of Biology ; Burke Museum
出版者NATURE RESEARCH
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/32805
专题中国科学院南京地质古生物研究所
通讯作者Weaver, Lucas N.; Mantilla, Gregory P. Wilson
作者单位1.Univ Washington, Dept Biol, Seattle, WA 98195 USA
2.Montana State Univ, Dept Earth Sci, Bozeman, MT 59717 USA
3.Yale Univ, Dept Anthropol, New Haven, CT 06520 USA
4.Yale Peabody Museum Nat Hist, Div Vertebrate Paleontol, New Haven, CT USA
5.Yale Peabody Museum Nat Hist, Div Vertebrate Zool, New Haven, CT USA
6.Nanjing Univ, Sch Earth Sci & Engn, Nanjing, Peoples R China
7.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Paleobiol & Stratig, Nanjing, Peoples R China
8.Burke Museum Nat Hist & Culture, Seattle, WA 98105 USA
推荐引用方式
GB/T 7714
Weaver, Lucas N.,Varricchio, David J.,Sargis, Eric J.,et al. Early mammalian social behaviour revealed by multituberculates from a dinosaur nesting site[J]. NATURE ECOLOGY & EVOLUTION,2020:15.
APA Weaver, Lucas N.,Varricchio, David J.,Sargis, Eric J.,Chen, Meng,Freimuth, William J.,&Mantilla, Gregory P. Wilson.(2020).Early mammalian social behaviour revealed by multituberculates from a dinosaur nesting site.NATURE ECOLOGY & EVOLUTION,15.
MLA Weaver, Lucas N.,et al."Early mammalian social behaviour revealed by multituberculates from a dinosaur nesting site".NATURE ECOLOGY & EVOLUTION (2020):15.
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