Amber fossils demonstrate deep-time stability of Caribbean lizard communities

Sherratt Emma; Castaneda Maria del Rosario; Garwood Russell J.Mahler D. LukeSanger Thomas J.Herrel Anthonyde Queiroz KevinLosos Jonathan B.

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Amber fossils demonstrate deep-time stability of Caribbean lizard communities

机译：Amber fossils demonstrate deep-time stability of Caribbean lizard communities

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Whether the structure of ecological communities can exhibit stability over macroevolutionary timescales has long been debated. The similarity of independently evolved Anolis lizard communities on environmentally similar Greater Antillean islands supports the notion that community evolution is deterministic. However, a dearth of Caribbean Anolis fossils-only three have been described to date-has precluded direct investigation of the stability of anole communities through time. Here we report on an additional 17 fossil anoles in Dominican amber dating to 15-20 My before the present. Using data collected primarily by X-ray microcomputed tomography (X-ray micro-CT), we demonstrate that the main elements of Hispaniolan anole ecomorphological diversity were in place in the Miocene. Phylogenetic analysis yields results consistent with the hypothesis that the ecomorphs that evolved in the Miocene are members of the same ecomorph clades extant today. The primary axes of ecomorphological diversity in the Hispaniolan anole fauna appear to have changed little between the Miocene and the present, providing evidence for the stability of ecological communities over macroevolutionary timescales.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2015年第32期|9961-9966|共6页
作者
Sherratt Emma; Castaneda Maria del Rosario; Garwood Russell J.Mahler D. LukeSanger Thomas J.Herrel Anthonyde Queiroz KevinLosos Jonathan B.;
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作者单位

Harvard Univ, Dept Organism & Evolutionary Biol, Cambridge, MA 02138 USA;

Univ New England, Sch Environm & Rural Sci, Armidale, NSW 2351, Australia;

Univ Manchester, Sch Earth Atmospher & Environm Sci, Manchester M13 9PL, Lancs, EnglandUniv Calif Davis, Ctr Populat Biol, Davis, CA 95616 USAUniv Florida, Dept Mol Genet & Microbiol, Gainesville, FL 32610 USAMuseum Natl Hist Nat, Dept Ecol & Gest Biodiversite, UMR 7179, F-75231 Paris, FranceSmithsonian Inst, Natl Museum Amer Hist, Dept Vertebrate Zool, Washington, DC 20560 USA;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
adaptive radiation; ecomorph; Hispaniola; Miocene; Anolis;

Amber fossils demonstrate deep-time stability of Caribbean lizard communities

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