Ancient diets, ecology, and extinction of 5-million-year-old horses from Florida

Science

Volumn 283, Issue 5403, 1999, Pages 824-827

  MacFadden, Bruce J ^a   Solounias, Nikos ^b   Cerling, Thure E ^c  

^a UNIVERSITY OF FLORIDA   (United States)

^b NEW YORK INSTITUTE OF TECHNOLOGY   (United States)

^c UNIVERSITY OF UTAH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIET; EXTINCTION; MAMMAL;

ARTICLE; BIODIVERSITY; ECOSYSTEM; EVOLUTION; FOSSIL; HORSE; NONHUMAN; PHYSICAL ANTHROPOLOGY; PRIORITY JOURNAL;

UNITED STATES;

EQUIDAE; EQUUS; EQUUS CABALLUS; HEMPHILLIA; MAMMALIA; PERISSODACTYLA; POACEAE;

EID: 0033525017     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.283.5403.824     Document Type: Article

References (37)

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7. 12C, sample is unknown, and standard is Pee Dee belemnite. A third photosynthetic pathway, CAM (Crassulacean acid metabolism), found in plants such as succulents (Cactaceae), is not considered relevant here.
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11. 2 grid on homologous occlusal enamel surfaces from clear epoxy tooth casts with a light microscope at ×37 magnification. Microwear indicates the individual's diet just before death.
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20. Body masses are calculated with tooth data (22) and equations of B. J. MacFadden [Paleobiology 12, 355 (1987)].
21. 4 grazers.
22. 4 grazers.
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36. Supplementary data table is available at www. sciencemag.org/feature/data/985189.shl
37. Supported by NSF (IBN-9528020 to B.J.M. and IBN-9420184 to N.S). We thank B. Albright, M. Clark, D. Jones, J. MacFadden, N. Opdyke, K. Perkins, E. Simons, and D. Webb. This is University of Florida Paleobiology contribution 504.