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An Early Cretaceous tribosphenic mammal and metatherian evolution.
Science. 2003 Dec 12; 302(5652):1934-40.Sci

Abstract

Derived features of a new boreosphenidan mammal from the Lower Cretaceous Yixian Formation of China suggest that it has a closer relationship to metatherians (including extant marsupials) than to eutherians (including extant placentals). This fossil dates to 125 million years ago and extends the record of marsupial relatives with skeletal remains by 50 million years. It also has many foot structures known only from climbing and tree-living extant mammals, suggesting that early crown therians exploited diverse niches. New data from this fossil support the view that Asia was likely the center for the diversification of the earliest metatherians and eutherians during the Early Cretaceous.

Authors+Show Affiliations

Carnegie Museum of Natural History, Pittsburgh, PA 15213, USA. luoz@carnegiemuseums.orgNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

14671295

Citation

Luo, Zhe-Xi, et al. "An Early Cretaceous Tribosphenic Mammal and Metatherian Evolution." Science (New York, N.Y.), vol. 302, no. 5652, 2003, pp. 1934-40.
Luo ZX, Ji Q, Wible JR, et al. An Early Cretaceous tribosphenic mammal and metatherian evolution. Science. 2003;302(5652):1934-40.
Luo, Z. X., Ji, Q., Wible, J. R., & Yuan, C. X. (2003). An Early Cretaceous tribosphenic mammal and metatherian evolution. Science (New York, N.Y.), 302(5652), 1934-40.
Luo ZX, et al. An Early Cretaceous Tribosphenic Mammal and Metatherian Evolution. Science. 2003 Dec 12;302(5652):1934-40. PubMed PMID: 14671295.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An Early Cretaceous tribosphenic mammal and metatherian evolution. AU - Luo,Zhe-Xi, AU - Ji,Qiang, AU - Wible,John R, AU - Yuan,Chong-Xi, PY - 2003/12/13/pubmed PY - 2003/12/31/medline PY - 2003/12/13/entrez SP - 1934 EP - 40 JF - Science (New York, N.Y.) JO - Science VL - 302 IS - 5652 N2 - Derived features of a new boreosphenidan mammal from the Lower Cretaceous Yixian Formation of China suggest that it has a closer relationship to metatherians (including extant marsupials) than to eutherians (including extant placentals). This fossil dates to 125 million years ago and extends the record of marsupial relatives with skeletal remains by 50 million years. It also has many foot structures known only from climbing and tree-living extant mammals, suggesting that early crown therians exploited diverse niches. New data from this fossil support the view that Asia was likely the center for the diversification of the earliest metatherians and eutherians during the Early Cretaceous. SN - 1095-9203 UR - https://www.unboundmedicine.com/medline/citation/14671295/An_Early_Cretaceous_tribosphenic_mammal_and_metatherian_evolution_ L2 - http://www.sciencemag.org/cgi/pmidlookup?view=long&pmid=14671295 DB - PRIME DP - Unbound Medicine ER -